If you’re looking for the cliff notes:
17″/18″ wheels, 35″-37″ tires and inflate them in accordance to THEIR load curve (40-45PSI Front, 35-40PSI Rear), not the factory tire’s load curve to which most factory TPMS Systems are set. If you’re going to run 20″ wheels, stick to 37″ MT tires as they’ll be the softest to offset the size of the wheel and pay special attention to the pressures. 22″ (or larger) wheels, you’re looking at a substantial reduction in small bump compliance to compliment your Carli Suspension system.
If you have a few minutes to read the “why” – here you go:
One of the first questions we ask when a customer calls with question pertaining to ride quality is “What wheels & tires are on the truck and to what pressures are the tires inflated?” Why, you ask? Simply put, not all wheel/tire combinations are created equal. Load Ratings and pressures, number of plies, radial vs. bias, tread design (A/T, M/T, Highway), and profile all affect one’s ride quality; further, choosing a tire based on price and size alone won’t necessarily net a customer the proper tire for their application.
This guide will provide insight into the more important specifications assigned to a tire by the manufacture and to what heavy-duty truck owners should pay attention when selecting an aftermarket tire. There is an abundance of information on the web pertaining to each tire specification in as much detail as a person could want to read so we’re going to focus on load rating and tire pressure; the most important factors in our opinion.
Specific to heavy duty trucks, let’s take a look at the door tag on our 2012 Ram 2500 Megacab. It lists the stock Michelin’s Spec:
- Front: 265/70R17E as 5500 lbs total (2750 each tire) at 60 PSI.
- Rear: 265/70R17E is listed as 6010 lbs. (3005 each tire) at 70 PSI.
- Total Tire Capacity: 11,510lbs.
We drove our 2012 Ram 2500 Mega cab (6” Performance 2.65 kit and 37 inch Toyo M/T’s) to the scales to get actual weight. We found that with ¼ tank of fuel, normal cab clutter (2 car seats, kid’s toys, race radio) and a 37” spare, we weighed in at 8,480lbs. She’s no featherweight. Further detail revealed a front weight of 5200 lbs. and 3260 lbs. in the rear. This nets us a difference of 1,120lbs less than the GVWR.
The gross vehicle weight rating (GVWR) is the maximum operating weight of a vehicle as specified by the manufacturer including the vehicle’s chassis, body, engine, engine fluids, fuel, accessories, driver, passengers and cargo but excluding that of any trailers. Basically, the maximum weight the vehicle is built to withstand in bolt on accessories plus the load carried in the cab and bed combined. Below is a chart for our particular 2012 Mega Cab 4WD Truck.
So we’ve got a factory Tire capacity of 11,510 lbs. and Truck capacity of 9,600 lbs. We also see the axles are rated to handle the same load to the factory tires, 11,510lbs meaning they’re likely the limiting factor in the GAWR (Gross Axle Weight Rating). This means the GVWR is the true limiting factor to loading our truck, thus it’s the baseline against which we’ll compare the tires.
After purchasing a Carli Suspension, most customers purchase an aftermarket 35” or 37” tire, or a metric equivalent. These aftermarket, all terrain/mud terrain tires are often more robust in both sidewall and ply construction commensurate to their intended application leading to higher load capacities at lower pressures.
We’ve been through more than a few tires in search of the Holy Grail, do it all tire. For the sake of this article, we’ll compare two well regarded brands with which we have extensive experience, Toyo and Falken.
Toyo is our comfort zone; the bar against which all tires are measured. Becoming the Carli go-to tire without any working relationship between the two companies (we pay what you pay for Toyos) was not an easy feat. It took us years upon years of pounding tires everywhere from Southern California to the tip of Baja on the road and on the most rigorous dirt trails and yes, even cacti fields, for these tires to earn their reputation. The tires proved their merit again and again. We recently struck a deal with Falken Tire so a few of the shop rigs are now running the Wild-Peak A/T. The construction of the tire is pretty incredible. The weights and sidewall construction are on par with a Toyo M/T in their equivalent size. They’re D-Rated in the sizes we’re running and haven’t been subjected to near the abuse to which we’ve subjected the Toyo’s. Time will tell if they’re a contender but we thought they’d make a great comparison given they’re a D-Rated tire often recommended to the budget-minded consumer where the Toyo’s are the more expensive, E-Rated option.
The Falken Wildpeak MT01 and AT3W have been widely run across several rigs in our fleet with awesome results. The AT01 was discontinued in favor of the 3W counterpart. The MT01 has been spun, jumped, and slammed over deserts across Southern California on our Fords and Rams without a single failure; we’re happy to report these to be awesome tires. Many of the size offerings in which our customers are interested are D-Rated – we’re even running their C-Rate 38″ tires on two of our shop Cummins – but word is, E-rated alternates are in R&D to be released to market next year. The D-Rated Falken carry a respectable rating of around 3,500lbs but we’re excited for the release of their tires designed around the HD truck platform.
Back to tire pressures… one of the most prevalent mistakes encountered is a failure to adjust tire pressure on a tire well suited to the heavy-duty platform. Shops commonly inflate tires to the MAX cold PSI per the sidewall before sending customers on their way. In an OEM style tire, this provides enough capacity to comfortably carry the GVWR. In an aftermarket tire, however, this means the customer is now unknowingly rolling around with up to 17,200lbs. of tire capacity in an unloaded truck weighing less than half the new tire’s load capability.
The stock Michelins are rated for 3,005 lbs per tire at 70 psi. For sake of comparison, we’ll keep to our recommended tire size, 37” tires for a 17” wheel, as this document pertains to tire recommendations for Carli Suspensions.
The 37×13.50r17 Toyo M/T is rated for 4300 lbs. at 65 psi.; that’s 1,295 lbs MORE at 5 psi LESS per tire, when comparing to the factory Michelins. Referring to Toyo’s weight rating chart, at 35 psi , the tires hold 2,835 lbs. per tire and 40 psi supports 3,110lbs. The pressures recommended by our product developers are 40 psi front, 35 psi rear as that is the pressure at which the suspensions are tuned. These pressures support a total of 6,220lbs. front and 5,670 in the rear, according to the Toyo load chart. This exceeds the GVWR (again, max loaded weight, not unloaded weight) of the truck and we’ve not yet broken 62% of the tire’s maximum capacity.
Again, our truck weighed: 5,200lbs. Front, 3,260lbs. in the rear. Referencing Toyo’s load inflation tables, it’s not only perfectly safe to run 40F/35R, but highly recommended you run the aforementioned tire pressures to ensure maximum ride quality and proper tire wear without the need to constantly adjust for a load. For the Falkens, we found 40F/35R to be a bit “squishy” in the sidewall. We attribute this to the “D” load rating and recommend you raise a D-Rated Tire about 5psi over the pressure at which you’d run your E-Rated Tires. 45F/40R eliminated all handling issues and wears evenly. The Falkens being rated to 3,525 at 50psi still give customers plenty of adjustment up and down to achieve ride quality and maintain load capacity despite their “D” load rating.
The final note is on wheel diameter. Simply put, the larger the wheel and shorter the side wall, the stiffer the wheel and tire will ride. We’ve found that many combinations will significantly reduce small bump compliance, the most popular being 35” tires on 20” wheels on our leveling suspensions. The question most often asked is why new trucks come with 20” wheels if they ride poorly and the answer is simple; to sell trucks. Dealerships want to offer trucks that are aesthetically appealing and customers want larger wheels. If a customer were to inquire about a base model truck (built to work, not look good) they’d find them spec’d with 17”-18” wheels while the Lariats/Laramies will have paint accented 20” wheels. Both can achieve the necessary capacity of the vehicle, but one does it more efficiently and rides better.
Given the spring rate required to suspend these 8,500lb. vehicles, wheel and tire selection remains a very important factor in improving small bump compliance. If we were to adjust the spring rates/shock valving enough to compensate for the stiffer running gear, you’d give up substantial control of the vehicle in all other scenarios other than cruising the expansion joint ridden highway. Carli Suspensions are designed with a utilitarian purpose in mind; thus, we’re not willing to make that compromise. We want the truck to be as composed down rutted-out back-roads as it is on the highway; this goal is easily attainable with the right combination of suspension and wheels/tires. We’re a performance-based suspension manufacturer so all systems are tuned unloaded with 17”-18” wheels on 35”-37”, E-Rated Tires, inflated to 40F/35R. Running any combination outside of this will result in deviation from our desired ride quality.
I have a 2018 RAM 2500 4×4 crew, running leveling kit only, 35 nittos x 18 fuels, wanting to do 37 Toyos x method/fuel new wheels… once in a while tow a 15,000 , 1000 tongue weight trailer, very random short distances..
Question: is the 3.42 axle going to roll the 37″ tires ? Do i need to do Air bags ? Do i need the 3.2.5 lift or can i get away with your smaller lit ? Is there a way when lowering the pressure you can adjust the TPMS system ? What would the minimum kit/ shocks/ torsion etc.. you would go with..
Hey Jeff – give us a call, we’d be happy to help. 888-992-2754
Hi, I have a 2015 F250 with the 4 1/2 pin top system and am in the hunt for new wheels and tyres. I am in Australia and getting wheels is proving to be a nightmare and tyres aren’t much better.
I wanted 18×9 with a 0 offset as recommend but am struggling to get wheels and tyres to suit. If I went 20×9 I have more options over here and can get them in without too much trouble.
My question is will the difference be that noticeable, should I wait for the 18×9 combo (possibly 6 months plus) or settle for the 20×9 now.
I have just waited 7 months for the kit to come through so I am eager to get it done but don’t want to mess it up with my selection for being impatient.
Will be running 37×12.5 A/T
Hey Stuart – the difference will certainly be noticeable; whether it’s worth the wait… only you can answer! What are you running now? Any way to order tires for your existing wheels, then order the 18/37 to install on the next round?
I have a ‘22 F250 with your 3.5” Pintop system. This article is amazing, so glad you wrote it. Per your recommendation, I am going 17” wheels with 37×13.5r17 Toyo MTs with the E rating. I really like the idea of going 40/35 for tire pressure, but wonder what I would need to add for towing my 6k lbs travel trailer.
Hey Nate – Those are great unloaded pressures. For 6,000lbs trailer, you’re likely looking in the 600-700lb. tongue weight. I’d throw the rear to 45-50 when hauling that!
I’ve got the Carli Kitchen Sink 3.o Dominator (minus the long arm pkg) for my ‘07.5 6.7 Cummins
After months of wheel searching I decided to visit Carli’s website for some answers…great job on thee analysis at the top of the page. Your feedback and remarks are articulate and thorough.
1. Until today I was set on 20×9 wheels wrapped in 37×12.5×20 (E rating) . *After*Reading* your article I’ve decided to go with Mickey Thompson’s Classic III 17×9 wrapped in Mickey Thompson’s Baja Boss MT (37×12.5×17 (D)). 45F/40R …. Thoughts ? Too much sidewall ?
Sounds good to me, Doug! i run 17x9s with 40″x13.5″ on my long-arm equipped ram. I’m a big fan of max sidewall.
I have a 2020 f250 6.7 with the 3.5 pintop system installed with your radius arms and everything else I could add to it. Im currently running 35×12.5×20 on black rhino arsenal wheels (20×9.5) 12 offset and I believe 5.7 backspacing if I am reading the specs correctly. Ive had 0 rubbing or trimming issues with the 35’s.
Am I able to jump up to a 37×12.5×20 with out having to do any trimming (or just minor trimming)? Is 37×13.5 out of the picture?
37×12.5 would be ideal.
Hi Will – you’re good to go with a +12mm offset! 37″ x 12.5″ (or 13.5″) should fit!
Hello – I’m thinking of trying the new hybrid Falken R/T in 38×13.5/R17 on my 2020 F250, which has your 3.5″ Backcountry installed with full leaf replacement. I believe Carli did some testing with a prototype Falken 38. Did you happen to test on a truck with a 3.5″ lift? I’m curious about rubbing. My wheels are 17×8.5 with 0/4.75 backspacing.
Hi Garrett – absolutely wouldn’t recommend those for the 3.5″. Stick to 37×13.5!
Just bought my first truck (2019 Ram 2500 Laramie) coming from the world of imports/jdm cars. Almost exclusively use this thing to commute/haul children/dirt for the garden with no immediate plans to tow yet (eventually car trailer). Plan on getting the commuter kit and want to plan wheel/tires out. Is there a significant difference between an 18 and 20×9” wheel if used on the road? For tires I wouldn’t mind going with 37” if 35” are significantly worse of a ride with Toyos. Thanks!
Hey Grant – yes, there’s a significant difference between the 18 and 20. Stick to 18s and 37s for the best ride.
Awesome products!! I am running the 2.5 Pintop Level with the kitchen sink of options on a 2019 F350 SRW. My question is two parts. I’m moving to 37×12.5×17 Mickey Baja Boss A/T on Fuel Covert 5.04″ BS. Based on all the previous R&D you guys have done size and offset should be good.
Question #1: what tire pressure would you suggest running?
Question #2: I have a slight clicking noise on small bumps specifically when making a turn to the left when some of the weight is off the front of the truck. It sounds like either the King Shock or maybe the End link on the torsion sway bar. The kit has only been on the truck for about 5k miles. Any ideas?
1 – Just looked up the tire – being D-Rated to 3,525 lbs @ 50 psi, I’d keep it to 45 front, 40 Rear
2 – Check out THIS link – there’s a procedure for adjusting the sway bar end links.
Hello, first all I have never purchased anything from you guys. Yet, after seeing how responsive you are to your customers that needs to change. I currently have a 2016 Ram Rebel I deleted the factory air ride after it went poop. Running Bilstien 6112’s in the front 5100s in the rear with an Icon 1.5 Lift spring in the back. I upsided the tire a tiny bit still running stock rim 285/70R17 to a 285/75R17. I’m just curious this is my first Rebel do you guys have any idea as to why the door tire pressure is 55 front and 45 rear? That seems rather high does coming factory with e load tires make that much of a difference? I’m looking at your systems for my truck currently any recommendation for what you’d use for an overland type setup.
Hey Josh – the factory recommended pressures aren’t based on ride comfort or tire wear, rather the ability of the truck to haul full stated capacity at all times IN SPITE of ride and wear. Also, factory style tires require more pressure than their off-road counterparts to achieve a given load rating. For overlanders, we normally recommend our Performance 2.5 Kit with the HD rear springs to handle the pack-out.
Do you think the new Toyo Open Country R/T Trail in 35×12.5r18 would be a decent tire to run even though they are a load F tire?
We don’t recommend F under any circumstances.
2016 F-250 on a fully optioned 2.5” Pintop. 37×12.5×18 Ridge Grappler. Would you still be 40F 35R?
Also, on certain turns it is rubbing. Do you guys trim the fender liner or are you doing something with the actual fender?
If you’re asking me, specifically – I’d recommend a different tire. I hate the ride of ridge grapplers – I only kept them for 800 miles before i gave up and sold them. That said, that pressure should optimize them for what they are. We trim where it rubs. We’re not afraid to trim a little body with the fender liner. On your rig, it’s normally the unsupported lower cab corner that holds the bottom fender liner retention bolt. We always cut that off on the 11-16 as it can be done with a very clean appearance.
I have a 2020 F250 XL gas extend cab long bed tuck and I am having the 3″ Carli Backcounty system installed. I am running Toyo Open Country AT 35″ 12.5 R17 tires on factory rims. After reading your site info it sounds like I need to get some aftermarket rims. It sounds like the ideal size would be R17 8×170 0 off set with 5″ of backspacing.
Unfortunately, there are very few rims that meet these criteria and the few I have tried to order are not available. A lot is not available right now.
So, my question is, to broaden my search, how much can I safely deviate from:
5″ of backspacing
0 off set
Hey Jim! on a 35″ tire, you can go up to a +18mm.
Yo Dan! My 2008 F250 is still killing it with the 4.5 Pin Top with everything you make for it. I been running 35 12.5 on 18s all this time. Going to 37s finally. Do you guys change your gearing when ya run 37s? I got a 3K trailer I pull and don’t want to strain my trans. Just curious, thanks for everything you guys do!
Hey Bo – Glad to hear it’s serving you well! Gearing is personal preference. I ran 37s on my 2006 with TSD Tunes and factory gearing; loved it. It all depends how much you’re towing. People who haul heavy are the ones that typically change their gearing… At 3K, i wouldn’t throw you in that category unless you feel like your trans is hunting or in the wrong gear while climbing grades or cruising the highway.
I have a ‘22 power wagon, just got the pintop kit, 17×9 wheels, MT Baja Boss A/T 37×12.5r17. Is 45f 40r what you would recommend?
Being a Hemi, you can get away with 40/35!
20×10 with 37×13.5 tires, carli 4.5 lift 17 f250 what tire do you recommend and pressures.
Hey Harry – Toyo MT is our favorite where available; 45F/40R.
Hello, I have a 2021 Ram 2500 with the Factory air ride suspension. I have the Carli Pintop 3.25” lift with king shocks. Wheels and tires are the fuel twitch 20×10 with the 35×12.5 Nitto Ridge Grapplers. What would my ideal daily driving tire PSI be for this set up? And if I pulled my boat (around 6,000lbs with trailer) would I need to adjust my PSI? Thanks for the advice.
Hey Tim – those 35/20 Ridge Grapplers are notoriously stiff tires. I would keep them at 40/35 and just know your small bump compliance will suffer regardless as a result of the 20s and ridge grapplers.
Hey thanks Dan, I agree and plan on switching them out as soon as I can. I bought the truck like this and am not a fan of 20” rims or tires. Do you have a good recommendation on rims and tires for this truck/ lift configuration.
Dan I have a 2018 ram 2500 with carli leveling kit with the fox 2.0 and I’m running a nitro ridge grappler 295/70/18 load E on the stock wheels. Max psi on these are 80 psi. What would be the recommended pressure for these tires. It’s like a 34.3 x 11.5. Thanks
Hey Lee – I’d keep those at 45-50 front, 40-45 rear. If you get a bulge in the sidewall, throw another 5psi in until it disappears.
Hey Carli, I am currently running the Pintop system on a 2020 F250 with method 18″ wheels and 35 x 12.50 BFG KO2 E rated, I know they are not on this recommended list, but I was hoping you could give me some insight on the right tire pressure to run. Right now, PSI is around 60 and it feels I’m bouncing down the road. What PSI should I be running?
Hey Jacob – E-Rated, you can absolutely drop those down. I’d keep them to 45/40.
Hello I have Dodge 3″ Pintop 2.5 System, Diesel on a 22 Ram 3500 with auto air ride.
Running Nitto trail grappler MT 38 x13.5 R17 load range D. This is not a dually. What tire pressures should I be ruining?
Hey Luis – Is the truck empty most of the time? How frequently are you hauling and how heavy? That’s a truck with a lot of capacity so you may want to find a sweet-spot that won’t having your running pressures up and down all the time. For a D-Rated 38, we normally recommend 45F, 40R when unloaded.
I am looking at 11.5 inch wide tire options for a 2006 Cummins. It’s been a bit challenging finding E rated options for 35 or 37 inch tires. I would like to stick with your 17 inch wheel recommendation. Is there a wheel and tire combo in both a 35 and 37 inch option you recommend?
Hi Will – I’m not familiar with any 11.5″ 35 or 37s. We run the 12.5″ and 13.5″ 35s here.
I have a 2022 F350 6.7L Short box and I just ordered the commuter kit with sway bar drop mounts and added the high and low mount stabilizers. Im wondering if I’ll need to do any trimming with a 10″ wide -25 offset wheel with a 35×12.5 tire? Running a Toyo Open County A/T III tire. Also, what is the best psi to run in these?
Hi Jeff – We do not recommend that offset, nor wheel width. That will ride harder and require more trimming than our recommended specification. Regardless, 45F/40R would be my recommendation to start.
Thanks, Dan! Appreciate the feedback!
Hi Carli. I just had my 2022 F250 tremor loaded up with the 2.5/3.5 pin top leveling with all the bells and whistles. I’m running Ridge Grapplers (37×13.5×17) on 17” methods wheels. I’m not hauling anything (just commuting). What do you recommend for my tire pressures? Right now the dealer has them set at 62 psi on the front and 72 psi on the back. The Carli system looks amazing on my King Ranch!
Hey KB – Drop those things down to 45F, 40R. You can use forescan to lower the tire pressure threshold in the system!
Hello I have a 2015 f350 on 2.5 carli X king pintop
Im running 37×12.50r18 Toyo At III
ON 18×9 fuels
What psi is recomended?
I have a 2018 Ram 3500 with a fully spec’d Carli king 3.25” pin top system. I’m also running your fab. Radius arms, sway bar and Deaver leafs. I tow heavy at times and was thinking Toyo MT @ 37×13.5R17 because I can get them in the E rating. I’m on CJC’s Ram spec offset 17” methods and have minor plastic trimmed for 12.5” wide tires. Will the 13.5” clear (mostly) and will they perform better when towing (less side to side flex) than a D rated tire? I run Nitto grapplers now at 12.5” and they wander a bit.
The Toyo MT you listed (37×13.5r17) is the best tire out there. Run that over ANY alternative. Being a 65psi E-Rated tire with 4,300lbs of capacity, i recommend it to everyone.
My thoughts exactly but you just confirmed it! Thanks, Dan!
Hi Carli, I have a 2022 F350 6.7 short box, 3.5″ back country just arrived, with torsion sway bay and stock radius arms, full progressive rear. mostly city/hwy driving, tow 18K lb trailer, some mild off roading. planning on 37×12.5×20 Ridge Grapplers. Will a 9″ wide with 0 or +1 offset have any rubbing or trimming?
Hey Ryan – Minor trimming of the inner fender liner may be required to fit those tires on that system!
Thanks for that. Is there a better offset that doesn’t require any trimming with a 37”? I have heard some guys do a +20, but that may run radius arms? If I go down to 35” or 295/65/20, im guessing a 0 to 20 offset would work with no rubbing or trimming, just depends on how much poke I want? Thanks for all the help!
Hey Ryan – If you want to Run a 37″ on a 3.5″, you’re going to need to do a bit of trimming. The – would be great, a +12mm would be better. A +20mm will hit the sway bar and radius arms.
Delivery of my 2022 F250 6.7 will be happening next week! I’ve ordered Method 305-HD NV 305’s 18×9 l 8×170 l 18/5.75. I tow 10,000 travel trailer (50 days of travel a year) travel the forest roads in the Sequia National Park often (family cabin). The rest of time a city driver.
What suspension system do you recommend and tire size?
Hey Bob – a 3.5″ Backcountry with the progressive add-a-packs sounds perfectly suited! This will maintain your payload, smooth out the on road ride and afford you the ability to have some off-road fun around the cabin in the truck should you choose to!
This kit can be configured HERE. It fits a 37″ tire on a 0 offset wheel.
Will the add-a-pack cause any sag when towing? I don’t mind a rake look if I can get the ride the suspension upgrade and maintain our towing…the only thing I didn’t mention above is my travel trailer tongue weight is 1200 pounds
I have a Carli Commuter system installed on a 2020 f250. I’m going to upgrade my wheels and tires to 17 inch wheels and 37X13.50r17s. The tires I’m considering in that size are Toyo RTs, Toyo MTs, and Ridge Grapplers. I’m wondering between those options, which of those tires will ride the best (I mostly drive on brutally terrible city streets covered in potholes, and also on highways). Or maybe there is something else you would recommend. Thanks
Sorry if this is a reoccurring question. I just got the backcountry kit installed on my 2010 f250… I already had toyo rts 35×12.5×20 and airbags for towing… riding kinda rough in the back… what’s the ticket to tire pressure as well as air bag pressure for the proper ride
Thank you for your time
Hey Robert – This can be a decent length convo; shoot an email to email@example.com and I’ll help you out there!
I have currently a 2002 ford excursion with a pro comp 6inch lift. It is currently red with front twin obeams… .Im looking to do the front and rear axle swap to the 08 f250 and having the 4×4 system in the future working…I really want to go with the carli 6 to 8 inch king shocks system you guys offer and also doing 18s on 37s…I would love you guys feed back as far as ride quality and high towing goes for this truck…wheel and tire combo would be even more appreciated…
Also this is a daily driver and alot of on road and highway driving..not much offroad use in florida unless towing the boat in and out of ramps and the occasional swampy areas…
What would be your opinion….
Hey Jesus – This can be a decent length convo; shoot an email to firstname.lastname@example.org and I’ll help you out there!
Currently have a 2016 2500 in stock form with the airbag rear. I have a BFG 35×12.5×17 on a set of 17×9 +18 Methods and they’ve been good with no rubbing. I would like to go to the 2.5 or 3.25 pintop kit for the airbag rear and wanted to know what wheel specs to look for regarding offset, diameter, and width? Thanks!
Hey Austin! Those specs can all be found on the kit-pages. Ideally, 17-18″ diameter, +18mm offset, 8.5-9″ wide wheel.
I have a 2020 F350 SRW FX4 platinum. I have an appointment next week to have a commuter 2.0 installed.
My application is towing a 15,000 lb 5th wheel with about 2800 lbs of pin weight.
I currently have the stock 20” Michelins on stock Platinum wheels. This truck will never be off road.
I live in Tucson. Our streets are horrible. 25-35 mph is liable to take out a kidney. Highway is fine.
My question has to do with tires. First of all, what pressure would you recommend to run on the street non towing with my stock combo with the commuter 2.0 installed.
Second question, do you recommend swapping tires and wheels to significantly ride quality while maintaining my towing capability.
We recommend jumping up to a 35-37″ tire for the most compliant ride with a 20″ wheel. Honestly, we recommend swapping the 20s for 17/18… With a properly sized and rated tire to your new lift, 45F/40R when uloaded, then max the pressure listed on the sidewall when towing.
Good morning. I have 2019 f250 with carli 2.5 commuter kit. Im running 295/65/20 ridge grapplers on stock rims, pressure at 45f 40r
I feel every bump on the road. Im looking to switch to an 18in rim and go with 35/12.5/18 ridge grappler f rated. Will I run into the same problem if I do that? Im all highway driving, no towing or off road. Im looking for the best ride quality and I know you recommend 37 but that is to big for me
My recommendation, ditch the 20s and the ridge grapplers unless you move to 37s. Those are a HARD riding tire. A 35″ Terra-Grappler, Falken AT3W or Toyo AT would be a better, less rigid option. Steer clear of F-Rated for the same reason.
I have a 2012 Ram 2500 CrewCab. I’m on 35×12.50 and want to go to 37×12.50. What is the perfect wheel dimension to go with? What is a good brand also?
Hey Tristan – What kit are you running and with what options? This will determine the correct wheel and tire fitment combo. Give us a call 888-992-2754
I’m currently running 20×10 -18 fuel vapors with 35×12.50R20LT Nitto Ridge Grapplers. I’ve read this article before and have also heard that 45 front 40 rear is a safe bet for pressures, even though these are load rating F tires. Can you confirm this? Also what kind of benefit could I expect to see if I went from a 20” wheel to an 18” wheel?
Hi Morgan – you have one of the stiffest combos available… We do not recommend F Rated, 35/20s, or Ridge Grapplers where ride quality is top-priority. What Carli System are you running? Dropping to a 17/18″ wheel and upping to a 37″, E-Rated tire at proper pressures should tremendously help the small bump compliance!
I’ve got 2018 xlt F350 6.7 long bed and carli. 2.5 leveling kit with track bar I ordered the method 315 18 x9 with 5.75 back spacing want to run 37 x 12.5 nitto ridge grappler load range E tire with factory arms will I have to trim inner fender will hey rub on factory arms plese advise
Hi Dennis – Yes, you’ll rub on the factory arms, maybe even the sway bar and brake lines with that offset. We recommend a 0 offset if you’re going to run factory arms.
I’m getting ready to do a build on a 2022 RAM 2500 limited. Doing a 3.25 Pintop system with every option. I’m going with wheels that are 18×9, +20 offset and back spacing of 5.79. Tire setup will be TOYO open country A/T III 37×12.5R18LT. Will I have any problems with rubbing on the torsion sway bar and what tire PSI do you recommend me running?
Hey Ted – nope, that’s a perfect setup! I’d run 45/35 with that setup.
I have a 2.5/3.5″ Leveling Pintop lift on my 2021 Tremor F-350. I went full monty with the radius arms and TSB. I am currently running 35×12.5×18 w/Method 701 +18 offset but have purchased Innov8 G500 Smoothlip wheels with a +12 offset. I was reading that the +12 is ideal for the Ford but my question is when I plan on moving up to a 37″ tire; will I have enough room with the current lift or should I have gone with a 4.5/5.5″ lift?
My main concern is excessive trimming which I don’t have to do with the 35s. But the 37s just look right and I’m hoping to absorb a little more small bump with the taller sidewall.
Let me know your thoughts.
Hey Kyle – You’ll have plenty of room; those tires/wheels should fit great with minimal, if any, trimming!
I just purchased a 2020 2500 Power Wagon…
I would like to run some 35″ tires…
Which Carli kit, wheel, tire combination do you suggest..?
Thanks in advance…
Hi Tony – i don’t believe you need to do anything to the PW to fit 35″ tires! Give us a call if you’d like to discuss some options: 888-992-2754
Hello Dan and Carli gang,
I have a 2021 F-350 and I’m currently running a 3.5″ Pintop lift with all options on it with 18×9″ +18 offset Method 701s running 35×12.5-18 Nittos.
I’ve ordered a set of Innov8 18×9″ +12 offset wheels and would like to run 37s but I’m hoping not to do excessive trimming. The availability of the 37×12.5-18 are slim right now due to manufacturing but I’m able to get 37×13.5-18 tires. What are your thoughts about this? Will I be dealing with a lot of trimming and will it perform well offroad? I’m trying to be sensible but the 37s keep calling. lol
Hey Kyle – 37s all day! The +12mm offset is perfect for that lift and the 13.5″ tire. Trimming won’t be excessive.
2022 F250 Tremor 6.7 question. My wheels are 18×9 +18 Method NV’s. I’m currently running 35×12.50 Ridge Grapplers. F-Rate due to availability. They are set at 40/35 and seem to be tolerable for now. I want to go up to the 37 in the same tire. I can wait on lead times for the E-rated this time around. My question is will the Commuter 2.5/3.5 allow for the 37’s? In your experience with the shop truck, will I still have rake?
Hey Ray – The Commuter will keep about 1″ of rake in that truck and fit a 37″ tire awesome with a 0 offset.
Hey guys I have 2016 ram 2500 with the 3.25” back country kit. I’m running ridge grapplers 37×13.5×17 on Method NV 17×8.5. What is your recommendation on tire pressure for a unloaded truck? I’m running 45 front and 40 rear. I feel like I could go down. Would your recommendation be safe for highway speeds?
Ridge Grapplers are a HARD tire – You could easily hit 40/35!
What wheels are those? The one ones on the f250?
Is there a place to go to find the allowable PSI rating like you have in the article for Toyo but for Mazama? I’m about ready to pull the trigger on an Commuter set up with all the fixings, but in the mean time looking to see what I can run on my ’17 Tradesman 3500 SRW for a little more forgiving ride. Stock everything except 285/75 which are loaded up to 55F and 65R, and level kit. Thanks
You’d need to contact them – never heard of Mazama tires.
Hey I have a 2019 F250 with your Commuter Package with the Add-A-Leaf and the Torsion Sway bars.
I have 2 Questions…
1. I have been looking for Wheels with the Recommended 5.5″ Backspacing but have had limited luck finding them. Can you give me a couple brands that you guys like/use?
2. Since I have not gotten Wheels yet I’m running the LT275/65R-20 FALKEN WILDPEAK A/T3W E while I shop for Wheels. What Tire Pressures would you recommend for these tires for daily driving.
Hey Jay – don’t look too hard at backspace; we look for a 0 to +12mmm offset. This range will provide you a ton of options. We use KMC, Trail Ready, Innov8, Method, Raceline, Fuel, etc. There are a TON of options. As for your metric wild peaks, I’m not familiar nor do o i have experience with this specific tire. As they’re E-Rated, I wouldn’t have an issue with 50F/40R.
Thanks! Just got the suspension installed last week and took it for our first long drive this past weekend down to the Outer Banks, NC. Was an awesome ride! Now time for the sand! We will see how it does!
Thanks for the tips on the Wheels. I will see what I can find.
Also thanks for the recommendation on the Tire Pressure for the Stock Size Tires!
Great article! I have a 2021 Ford F250 Superduty 4X4. Carli Commuter system on Toyo AT3’s 325 / 65 R18 on MR 305 +18 Wheels. What pressure would you recommend for daily driving? And what pressure for towing my 10,000 lbs travel trailer with weight distribution hitch?
Hey Donald – I’d keep those at 45/40 when unloaded and 65/65 when loaded.
I have 2022 f350 Tremor and recently purchased the 3.5 Backcountry, full pack Deavers and torsion control bar. I will keep the stock wheel s and tires for now and I would like to run 45 PSI in front and 40 PSI in rear. My question is this, how do I reset the TPMS sensors to the new PSI?
Hi Jesse – The stock wheels cannot be run with that kit, first and foremost. They’ll rub your brake lines. You’ll need either a 2″ wheel spacer or 0 offset wheels. As for the TPMS, you can use EZ Link or Forescan to reset the pressures. On our shop 2022 F250 Tremor, we’ve not needed to reset the pressure. We are running 40/35 and there’s no low pressure indication on the dash.
I have a new ‘21 Power Wagon I Drive about 85% pavement but do go crawling in the mountains and pull loads ov around 10k.
The stock wheels are 17’s with 285/70 duratrac’s I am going to wait until my stock tires are worn but want to upgrade to one of your suspension kits with tire upgrades to 35’s or??
What would you recommend for the following:
Stock tire pressure (in the meantime)?
Suspension kit when I get there?
Tire size when I upgrade?
Can I run the stock wheels with 35’s or 37’s?
I would prefer to not have to trim and want to get it rite the first time.
Please let me know your thoughts and suggestions.
THANKS for your time.
Hi Jay – I don’t make any recommendations for stock tires; they’re normally pretty weak in the sidewall and require the pressure on the sidewall to prevent sagging. With our kits, we recommend +18mm wheels with 37×12.5″ tires – I would not run 37s on stock wheels. If you want to stick with 35s as you don’t want to trim anything, you should be able to accomplish this using stock wheels. As for the recommended kit, give us a call and we can discuss your application! 888-992-2798
Iv got 35×12.5r17 federal expora rt on a 2017 ram 2500 with the Carli level kit. Running 50f 45r. It’s rated at 3638 I believe at 65 psi. Would you recommend a different pressure set up?
Hi Hugh – We have no experience with that tire but that sounds like a safe pressure. You can drop another 5psi front and rear and see what results.
For your 2.5 level kits are you saying that 35×12.5 tires are oversized and not recommended on stock 20 wheels? Is it going to rub even with the brake lines in your kits?
Hi Brian – I am not sure what truck you’re referencing here. Shoot us an email with all the info on your truck and the kit/tires of interest and we can narrow it down. Info@carlisuspension.com
Hello! Thanks for all the info. I’m having a tough time finding an actual published inflation table for Toyo RTs so I can compare to the what you wrote up top in the article. I have a 2020 f250 powerstroke with the 3.5 leveling signature series coil springs and shocks (plus rear signature shocks, track bar, sway bar drops, brake lines, end links). Anyway I have 37×12.50 r20 Toyo RTs (E rated). Can I go ahead and run 40f/35r like the MTs in the article or should I run 45f/40r as you are suggesting to many people in the comments? Thanks!
I would stick to the 45/40 on a 12.5″ wide RT.
I am running a 2022 F250 with 22″ 37×12.50 Toyo AT3. Am I safe to run 45F/40R?
Honestly, we’re not familiar enough with 22″ wheels to be able to answer this – never run them.
Hi Carli, I am having the Carli Pintop 3.5″ installed on my 2020 F250, with the HD Full Progressive Leaf Packs. What tire/rim do you recommend for my truck? If I am running a HD bed cover, steel bumper, rack-mounted tent, etc., what PSI should I run?
Depends on the tire you select but the 45/40 would be a safe bet!
Hi Carli, I am looking at getting the 3.5″ Pintop for my 2020 F250 https://www.carlisuspension.com/product/ford/f250-f350/3-5-suspension-systems/2020-ford-f250-f350-4×4-diesel-3-5-systems/pintop-system-2020-lvl/
With the HD Full Progressive leaf pack in mind, what tire/rim size would you recommend for my truck?
Hi Carson – that’s actually listed in the description at the bottom of the link you sent! “Wheel and Tire: Factory Wheels SHOULD NOT be run with oversized tires. They’re known to rub the radius arm, sway bar and most concerning – Brake Lines. Factory tires and factory wheels will work without issue but we DO NOT recommend running oversized tires on factory wheels. On our 2.5” Ford Systems, we recommend 17”-18” wheels, no more than 9” wide with 5.5” of backspacing with Carli Fabricated Radius Arms or 5” Backspace with factory arms; 5” will require a bit more trimming. Tires, 37×12.5” will fit with some trimming; 35” will likely fit without trimming.”
Carli, diggin my 2.5 level. Thank you. What tire pressure should I run with 18 wheels, 37×12.5xR181 load range E wild peaks.
Also if I tow a bumper or fifth wheel?
Hey Jason – Glad you’re happy with the kit. There’s not much we can provide you for that specific tire aside from the generalities in the article. If they’re E-Rated, 45F, 40R is safe, then max them when towing.
Greetings, Thank you for the informative article. Quick question. What are the wheels on the Ram at the top of the page? Wheels are the last piece of my build I’m deciding on.
38″ Toyo MT, 20×9.5″ TR Beadlocks (Fake Beadlock) with 4.5″ Backspace
I ordered the 5.5 Pintop with full springs, sway bar and upper and lower steering stabilizes for my 2021 Tesoro F350. I am stuck on wheel/tire package. I have read a few times That 37” look too small. So, if that is the case, then I need to jump up to a 38” and unfortunately, and again y’all’s recommendations, I need to jump to a 20” wheel. Another reason for the 20” is that the RidgeGrappler is only offered in a 38” with 20” wheel. I will probably start out with the Toyo MT, but may decide latter its too noisy for me.
Thoughts on the 37” not filling the wheel well enough? I have seen plenty of photos, but things often look different in person
Hey Michael – My recommendation is to check THIS out. This is the 2020 on which we tested everything; it has 37″ tires. I personally don’t think it looks small but that’s 100% up to the individual. We run 38 Toyo MT on 20s on our 2017 and they suit the truck very well. 37s look great, too – really up to you!
I’m running 35×12.50r17’s nitto ridge grapplers on AEV SALTAS. 2” carli leveling kit. What would you recommend for tire pressure?
Hey Isaac – the above guide details this far better than i can in a reply. A range I’m comfortable recommending: 40-45F/35-40R
I have a 16 Ram 2500 6.7 Cummins with the standard 2.5 level. I have 295/70R18 Yokohama geolander mts on it and was curious about tire pressures. I pull a 40 ft fifth wheel toy hauler. Should I run max tire pressure front and rear when loaded or would I be fine to run the 40F/35R at all times? They are a load range E 80psi max.
Hi Ely – On a 295/70, I would keep them at 45F/40R unloaded. You can always chalk test them to confirm but I keep the narrow metrics about 5psi higher than the standard tires.
I’m running your Performance 2.0 kit on a 2012 F250. Due to an emergency situation and a “tire shortage” I had to get away from Toyo and had to get a set of Mastercraft MXT 37×12.5r20. What do recommend for the PSI on this setup?
Hi Pat – I don’t have any experience with the Mastercraft tires to give you specific data but following the guide here should get you where you want to go. Safe bet on E-Rated is 45F/40R.
Hi guys, question on running 37’s vs 35’s. I am scheduled for Monday at CJC for a complete dominator 2.5 with all options included for my 2015 F-250. I have ordered 17 inch method 305’s and 35 inch ridge grapplers. Really thinking I might be disappointed in the 35’s , but was concerned about any issues running 37’s gearing, brakes axels etc…does running the larger tire require upgrading the other components to help avoid breaking collateral components on and off road? Any help would be appreciated……Steve
Hey Steve – 37s all the way! It takes a bit more work to clear them but it’ll be worth it. These trucks have no problem moving 37″ tires so long as you’re running the 3.55 gears.
Hi. I have a 2020 ram 2500 6.7 crew cab. Waiting for the Carli commuter (Level) with track bar, front sway bar, and lower mount steering stabilizer to arrive for install.. My truck currently has the 20 inch factory black sport wheels, which I like. What’s the biggest tire I can use using the factory wheel? What tire do you recommend? I do not want to rub or cut anything in the wheel well. I like the toyo at3 or nitto.
Hi Jerry – we recommend a 35×12.5 max on stock wheels.
I have a 2021 F-250 with tremor package, running Nitto Ridge Grappler 35×12.5r18. What psi would you recommend unloaded vs towing a travel trailer? I’m also interested in your commuter kit so I can run 37’s. I see there are a lot of add on options, which would you say are recommended when combining with the tremor package? Thanks!
Hey Charlie – give us a shout to talk about running the Commuter and we can chat about tire pressure, as well! 888-992-2754
Hey there. Question: 2021 Ford F-350 with Tremor pkg, Carli 2.5 pintop, sway bar, radius arm, full progressive springs on BFG KO2 37×12.5 r17. Looking for most tucked-in appearance, but with least risk of rubbing or need for trimming, with choice of: 1) Innov8 G400 17×8.5 5.75”/+25mm, or 2) Innov8 G400 17×8.5 5.0”/+6mm. Thanks much for all of your help.
Hey Mark – the +6mm would be better on the Super Duty as the +25mm is more of a Ram offset and may rub the brake lines, sway bar and radius arms on a SD with 37s.
16 ccsb powerstroke on 4.5 backcountry with 35×13.50 ridge grapplers on 20×10 -19. I’m having a issue with bump steer. I do have tires set at 65=60 currently but about to lower after reading this. I have rough country dual steering stabilizer on it only cause I had in new in the box already. Built per carli instructions. Any input would be great.
Hey Kevin – overinflated tires are likely the issue; they lead to way more steering wheel feedback. Drop to 45/40 and you’ll likely see the jittery wheel disappear.
You explained my dilemma in the article. Why are the factory wheels on the higher spec trucks 20″ when the best ride quality can be found with smaller wheel diameters? Because, aesthetically, larger wheels look better to most people, including me. It just looks right to have a bigger wheel with these big trucks. It is even more critical to achieve that balance when the truck is lifted/leveled. Yet, we are being advised to put 17-18″ wheels on our $90,000 to $100,000 trucks to achieve small bump compliance.
I don’t disagree, you know what you are talking about. I’m just curious how important it really is. I also wonder how nice a ride my stock truck could have by simply lowering the tire pressure to your recommendations. In other words, how much of the improved ride quality of the Carli system is really just the recommended lower tire pressure and smaller wheel diameter. What is funny is that, for whatever reason, I don’t mind the stock ride quality in my F350. Yeah it is a bit harsh but it just doesn’t really bother me much. However, aesthetically I want a bit more height and larger tires. I’m going to stay with 20″ wheels.
I have a 2020 F350 that I am installing the 3.5” commuter kit on and I am looking for your thoughts on my tire/rim sizing. Planning to put Toyo MT 37×12.5r20 tire and a 20×10 rim with -18 offset. Does this rim and tire configuration work well? Also looking for the recommended tire pressure for every day driving. Thank you.
Hi Travis – the 10″ wide and -18mm will require more trimming than a 9″ wide 0 offset but it’s doable… I would recommend you stick to the 0 offset.
Hey Carli, about to custom build a 2021 F250 4wd CC Lariat with the 7.3 gasser and 4.30 gearing. I have several questions:
1) do y’all make a any lift or level kits for this model?
2) I am looking at some 20” Fuel wheels with +1 offset and would like to put 37” Toyo M/T’s on them. Will this combo work on this model and what lift/level kit would you recommend to make it possible?
3) what tire pressure would you recommend with that setup?
4) Performance…will the 4.30 rear end gearing help/hurt with any of the extra weight from tires/wheels/susp upgrades…unloaded and pulling a 9K bumper pull trailer?
Thanks in advance
Hi Rick – all the systems we make for the 7.3 can be seen HERE. Yes, +1mm offset is perfect to fit 37″ MT tires on the referenced 3″ lift systems. 40F/35R is where I’d run them on a gasser. The 4.30 would be a huge help combined with the 10-speed in hauling and turning 37s.
2021 Ram 4×4 w/ Cummins longhorn crew cab (and mega cab, is it same recommendation?); what is best fit offset for a factory look appearance without sticking out of the wheel wells a massive amount w/ 18×9 rim and 35” toyo tires? 40f/35r psi correct?
Would using the stock rim with the 2.5 pin top level system be advisable or should aftermarket rims with differnt backspacing be used?
Hey Jason – To keep the wheels tucked like the factory, 6″ Backspace will be best with a 35×12.5″ tire. If you want the ability to go to a 37″ tire in the future, a 5.75″ would be better. The stock rims will work with a 35; it’ll be tight – aftermarket wheels are preferred.
I have a 07 ram 2500 with your 6″ backcountry system and I’m looking for some 18×9 rimsto run 37’s on. what offset would you recommend? Most wheels I see have -12 that I like, is that to much?
Hey Shannon – on our 6″ Radius arm equipped systems, we recommend a -12mm offset; that’s perfect.
Forgot to mention the rims are 18×9
That’s perfect as we recommend a maximum of 9″ wide wheels be used.
Trying to get a good wheel/tire set up. For my Performance Long arm. Currently, I am looking at 17×9.5 (4.5 backspace) -18 offset wrapped with 37×12.5. I’ve been trying to look around. Seems that I might not run into any rubbing due to the -18 offset. However, I am trying to avoid any metal cutting.
Hi Miguel – If you’re running a 3rd/4th gen Ram, the Performance 2.5 Long-Arm requires a 0 to a -12mm offset with a 37×12.5. The 0 will rub the arms, the -12mm may touch at full lock but should cycle the steering quite a bit better. Metal cutting is inevitable with the required offset and 37s… There’s a pretty substantial amount of trimming required.
I have the commuter system ordered for my 2020 f250. Now I am looking at tires. Debating on the Toyo AT3 295/65/20 to give a little more height than the traditional 35×12.5r20. How would the ride differ between the two? Other differences if any?
Hi Stephan – we normally go with the standard tire sizes as they tend to be 65psi rated tires vs the metric 80psi. Lower pressure with similar load ratings means a better ride and more efficient load support.
Good Afternoon. I installed the Carli Backcountry 2.5 leveling kit on my 2019 f350 diesel (crew cab / long bed) I have Toyo AT3 37s on 18 by 9 rims. Very happy! I know you recommend 40f and 35r for tire psi unloaded. Do I need to increase the psi if loaded – lets say 2000 pound load on a bumper hitch trailer? Many Thanks.
Hey Ian – We don’t mess around when it comes to loads, max out the rear tires if you’re hauling! Better safe, with a bumpy ride, than sorry when loaded.
Good morning. I have a 2019 Diesel f-250. I have stock 20in rims currently and was thinking about putting on 295/65/20 all terrain tires. I do not tow but I do travel on long drives, 1,000 mile trips. The ride quality is currently great! I was looking at the commuter package. My question is this, will the ride quality go down with this set up or what would you recommend? Im looking for the best ride quality. Thank you
Hi Anthony, The ride quality will be more controlled AND comfortable. I would Recommend the Commuter, Torsion Sway Bar and Progressive add-a-packs to optimize the ride quality of that platform!
If I just started out with the Commuter without torsion sway bar and add a pack, would the ride quality be better then stock? Also if I would choose to go with a 20×9 rim 35×12.5 tire would this set up be fine and what offset. Sorry for all the questions, I just would like to do it right. Thank you
I have a 2019 2500 Laramie Diesel with a 2 1/2″ level system. Have OEM 8″x18″ wheels running Cooper Discoverer AT3 xlt.
Suggested tire pressure? Truck mostly being used as a commuter.
We do not have any experience with the load tables of that tire – I’d recommend contacting Cooper for them.
I have a 2020 F350 Limited with stock wheels . Im looking to put larger wheels and tires on it along with a front end levelling kit. I was thinking of 295/65/20 on a Fuel 20×9 0 offset wheel while keeping the ride smooth. I’ll also be towing between 14 – 16 K. Not sure if I should go with that setup or go to a 35×11.5×20 or bigger, trying to stay in the wheel wells if possible. I would like to have no trimming if possible. Any thought or recommendation would be greatly appreciated. Thanks
Hey Ross – I would recommend calling a retailer from THIS PAGE; they can help you with wheel, tire and leveling systems!
Hi Dan I installed the 3” Carli pintop, torsion sway bar, add a leaf, extended control arms. I am now choosing a tire. Ride is a priority and I don’t pull much and mostly highway in my 2010 Mega cab Cummins.
I can’t find rims I like in a small enough size. So I end up looking at 20×9 (ET+20) or 20×10 (ET-19)in a style I like. Tire choices:
Toyo AT2 extreme discontinued so
325/60 (65psi max) or
37 x 12.5 R20 or
35×12.5 (65 psi max) or
35×12.5 (80 psi max)
How important is it to stick to around +20 offset?
Will the 35 fit without trimming?
Will the 37 fit without trimming?
I’m leaning toward the 20×9 (+20) 35×12.5R20 (65PSI max rated) to avoid trimming but think I would prefer the 37s
Hi Rob – If you’re going to do a 20×9, stick to a +18mm and go 37″ AT3 for the best ride. 20″ Wheels will make the ride suffer over a 17 or 18 inch so it’s imperative that you run the larger tire size. With that, you need to pay attention to the recommended offset or you’ll end up trimming way more sheet-metal than you needed to.
2019 F250 – Just bought the Commuter kit and was wondering what brand of Wheels with Size and Offset you guys like and recommend. Will probably run Toyo 35’s
Can’t wait to get the kit!
Hi Jay – the Commuter is offered in 2.5 and 4.5 variations. We recommend 35s on the leveling and 37s on the 4.5. 0 Offset on 9″ wide wheels. Brands… Start shopping; we don’t recommend one in particular but use Trail Ready, Method, Raceline, KMC, Walker Evans, Fuel, Innov8, etc.
Following up on this. I’m doing a Commuter kit on my 2020 Ford. I’ve been told that those shocks are tuned for 37’s, but is it your recommendation to go w/ 35’s?
Hi Bryan – the difference in 35/37 won’t be enough to affect the tuning. These trucks are tuned with 37s and confirmed with stock wheels and tires to ensure you’re not pigeon-holed into a singular wheel and tire combination.
How does lower pressures affect fuel mileage? My 2020 Ram came equipped with Firestone 275 65 R 18’s. The MFG suggested tire pressure is 80 PSI front and rear. Based on this article I should lower my pressures to 40F/35R and this wouldn’t impact the tread wear?
Our recommendations are for aftermarket tires with more robust construction than factory tires and thus don’t require excessive pressure to support the truck’s weight. I won’t make a recommendation for a factory tire.
2017 F250, Buying 4.5″Pintop full kit minus the airbags, 18×9 Method 305 | NV HD wheels. Have yall experienced any issues with the 38×13.50×18 Toyo MT rubbing or should I go with the 37×13.50×18. Will be doing a mix of High Speed and rock crawling. Appreciate it.
We run the 38×13.5r20 on our shop 2017 Super Duty. It took minimal trimming to get them to work – just make sure you run a 0 offset wheel.
It’s great that you mentioned tires and wheels. I have a 2016 Dodge Ram MegaCab. I’m looking to upgrade our wheels and tires. I’ll definitely like to have bigger tires with nice wheel sets.
I have a 2020 f250 and will be doing the 3.25 pin top. I am looking at the Raceline clutch wheels. The only option they offer for a 17” wheel is -12 offset with 4.5 back space. Do you see any problems running a 37 x 13.50?
Hey Jeff – It will require a bit more trimming than a 5″ backspace (0 offset) but will work, yes.
Have the 3.25” Pintop fully optioned kit coming, for 2020 Mega Cab w Air ride. I picked up 20×10” wheels with 35”x12.5 Toyo ATIII. Everything still at my mechanics shop, waiting on the Pintop kit to ship. It’s my daily driver, on Alaskan highways. What pressures should I maintain?
Have a 2020 Ram PW, looking at either the BackCountry or possibly the PinTop system. I definitely want to go with 37×13.5 tires, and want to do little to no trimming etc. I really like the look of XD Grenade Black and Red, but looks like the only sizes are 20×12 -24mm or 20×12 -44mm that are the correct bolt pattern. Will either of these work or should I search for something else? Also, the whole backspacing vs offset is still confusing to me.
Hi Ken – Those specs are WAY off of our recommended. I would look into a 9″ wide, MAX -12mm but 0 to +18 will minimize trimming and be far better fit.
2007 f-250 CCSB. CARLI 4.5 commuter
Hi what is the best wheel to run with the 4.5” commuter lift. Wheel specs backspacing, offset, rim width for this truck?
I will be running a 17” wheel with 37’s.
Hey Jacob – We list all this in the product’s description:
Factory Wheels SHOULD NOT be run with oversized tires. They’re known to rub the radius arm, sway bar and most concerning – Brake Lines. Factory tires and factory wheels will work without issue but we DO NOT recommend running oversized tires on factory wheels. On our 4.5” Ford Systems, we recommend 17”-18” wheels, no more than 9” wide with 5” of backspacing with a 37”, E-Rated Tire. The more rubber, the better the small bump compliance will be at proper inflation pressures. The ride will firm up as you go larger in wheel diameter. For more details, see our article on wheel and tire selection and tire pressures:
Glad I stumbled onto this blog post!! I have a 2019 Ram 2500 diesel, coil rear springs. Was looking at the standard leveling kit, or the pintop leveling kit, and trying to decide between 35 and 37 tires. Need an E rating or better, have a 10k lb toyhauler (bumper pull) that I haul up and down the mountains here in Colorado. What would be your ideal setup?
Hi Joe – Ideal setup is a 37″ Tire, E-Rated, on a 17×9″ wheel with +18mm offset. My favorite is the Toyo MT.
Curious for a set-up in winter driving Montana, I have a power wagon 2016, ready for trade to 3500 platform – diesel, leaning towards Ford this time, like the looks better. Either way Ford or Ram, the extra width of tires in snow/ice makes for slick trucks, smaller width equals more sq. inch pounds to road surface. Just looking for your opinion. I may have found a local shop for install of Carli system too.
Hey Don – Feel free to call in, we can go over this in detail! 888-992-2754
Dan – Thank you for the quick response. 12.5″ it is. The difference in the ride between stock and the Backcountry was impressive. I couldn’t be happier with the products and service that I’ve received from Carli.
Thank you for all o the information provided in this article.
I have an 03 Dodge 2500 diesel with the 3″ Backcountry system with the high clearance control arms. I know the kit says 37’s will work, but it doesn’t discuss width. Would you suggest 37×12.50 or 37×13.50? My wheels are 18×9 with +18 offset and I’m upgrading from my current 35×12.50’s now that I have the suspension installed.
Thank you for the help.
Hi Allen – 12.5″ will fit better but 13.5″ will fit if you’re willing to cut some additional pinch weld.
Good Morning, thank you for the awesome products you engineer and sell. I have a 2011 RAM 2500 with your Dominator 3.0 setup with full rear leaf spring pack installed and normally run 37 /12.50 18 Nitto Ridge Grapplers on 18 x 9.5 method wheels.
We are taking a long road trip out West to the NP’s so I recently switched to 35/12.50/18 COOPER Discoverer AT3 XLT tires that are E rated just for the trip to increase stopping distances, reduce un-sprung weight, better handling, etc.
What recommended tire pressures (Front/Rear) do you all recommend for what will essentially be highway driving?
I have a 2019 Ford F-250 with the 2.5” backcountry kit and torsion sway bar. I’m getting 17×9 race line wheels with a -12 offset. Can I still run 37-12.50 on those wheels with minor trimming?
I have a 2020 F250 6.2L gas with the Carli Commuter. Running 35×12.50 E rated Nitto Ridge Grapplers on 18×9 wheels. Is 40F 35R what I need to run? Thanks
Hi Adrian, that should work great for your gas-equipped truck!
Just bought your 4.5 pintop (with full leafs and radius arms, waiting for sway bar to come in) for a ‘17 F250 PS. Currently running 18×9 Method Mesh’s and 37×13.5R18 Toyo MTs. What pressure do you recommend given they are D-rated (E rated wasnt available in that wheel size). Max PSI is 50, currently have all set at 40 psi.
Hi Michael – 45F, 35R!
Hi I have a 2019+ Ram 1500 and I’m currently on 315/60r20 Toyo RTs. My next setup I’m looking at dropping to 18s because of what you guys said about ride quality. Would you recommend 35×12.50r18 Toyo MT E loads, 315/70r18 (36”) Toyo MT E loads, or go all out and throw on some 37×13.50r18 Toyo RT D loads? The first 2 would fit on my current lift. The 37s I would have to raise the truck though. Thank you!
I am so glad I found this thread! I have a 2006 F350 4X4 Crew Cab (single rear wheel). After considering the price of a new truck, I’ve invested in another 100K miles out of this one. After major engine rebuild (ARP head bolts, head gasket gasket, injectors, EGR) it runs beautifully.
Two weeks ago, the truck needed a major rebuild of the front axle done. My tires were shot, so I had them install new wheels (Method 18″ with + 18 offset) and Nitto Ridge Grappler tires 35X12.50XR18 (load range F). When I got the truck back it drove HORRIBLY at highway speeds, pulling side to side unpredictably, at times even feeling like a wheel was coming off. Took it back to the shop, they were sure a new steering gear would fix things, so a new heavy duty Redhead steering gear was put in. Got it back today and it drove as bad or worse with the tightened up steering.
I just found this very helpful article! Found out tire pressure is at 80 psi. Tomorrow, I will back off to 40 psi in the front and 35 to 40 psi in the rear when unloaded and 65 psi in the rear when loaded. Does that sound about right?
When this is resolved, I want to put a front leveling kit on the truck. I do mild off-roading (hunting) and tow near max rated load. Which leveling kit would you recommend for best price/performance? Would the leveling kit be reason to just switch back to E rated now?
Hey Jim – Good to hear you’ve breathed some life into that old Super-Duty! For your application, I would look into the Backcountry Leveling System with the Progressive Add-a-Packs in the rear. Click on the hyperlink to view and configure this system.
Personally, i hate F-Rated tires but not enough to throw them out. Wear them out and switch to an E or high-rated D for the best ride quality!
I have a 2011 F250 with the 2.5 pintop. Currently running Faken 35×12.50R17 on 17×9 wheels, 40 psi front, 35 psi rear. I am looking at getting heavy duty ranch hand bumpers front and rear. Do the tire or shock pressures need to be adjusted for the added weight?
Hey Carli, 2017 Ford F250 XLT Premium crew cab 6.7L. Carli Signature 2.5″ coil level kit with track bar, sway bar drop brackets and matching rear signature shocks. I’m running LT285/75R18 Nitto Ridge Grapplers on the factory 18″ wheel. PSI 50F and 45R for daily driving and max 80 PSI while towing my 7000lbs travel trailer? Thanks.
Hi Jonathan – those pressures actually sound pretty good for that tire!
I have a Dodge 96 12v 4×4. Im purchasing the performance 2.0 system with the full leaf pack and control arms. Im looking at getting Method NV 17×8.5 with 4.75 backspacing with 37’s on top. I cant decide if i should go with a 12.5″ tire or 13.5″ tire. Any recommendations? If they both work on this setup, what do you recommend and why? Thanks,
Hi Larry – the second gens are tougher with tire clearance, i most always recommend a 12.5″ wide tire. On an 8.5″ wide wheel, do a 5.5″ – 5.75″ backspace, NOT a 4.75″, that will make rubbing way worse than it needs to be.
Hey Carli – Do you have a go to wheel recommendation for running a 35″ tires on my 2019 Ram 2500 Cummins with your 2.5 Pintop leveling kit that requires zero trimming?
Hi Matt – The recommended +18mm offset should net you zero rubbing with a 35″
I have a 2018 Ram 2500 Cummins. Looking to install the leveling system (just shocks, springs, adjustable track bar and radius arm drop backet) and running Toyo 35″x12.5 E Open Country M/T on Black Rhino Arsenal 18×9.5 +12 offset. Do you foresee any issues with this setup and are the radius arm drop brackets necessary/compatible with stock radius arms? Thanks!
Hey Grayson – That’s a perfect setup. The radius arm drop brackets will allow you full caster adjustment range. I wouldn’t say they’re necessary but would be a nice addition as they’re fully compatible with the factory arms and the leveling system.
2005 Ram 3500 5.9l QQLB, Backcountry 2.0 (Bilstein remote reservoir), control arms, full progressives
Great write up! Dropped pressure 10psi from where I was at (55/50) to 45/40…Made a huge difference in ride quality and still wearing evenly 30,000 miles later.
35×12.5 Yokohama Geolander M/T G003
I have a 2020 power wagon with 35×12.5r17 toyo rt’s on stock wheels and stock suspension. What pressures would you recommend. Also what suspension upgrade would you recommend for daily driving.
Hey Bradley – Give us a call at the shop and we can discuss this one! 888-992-2754
I have a 2020 gas f250. Im in the process of getting your 3.5 pintop leveling kit. I want a wheel and tire package that would be as flush with the body as i can get while still looking good, its very easy to get a ticket for tires that are wider than the body where im from. After lots of research I’m liking the arsenal black rhino wheels in 17×9.5 with a +12 offset and im looking to go with 35×12.5 mickey thompson tires as they are available at a store near where i live. My question is will this combo rub and will it clear the break lines?
Hello Salem – It will be tight to the brake lines but should not rub if installed correctly!
I just ordered a Pintop 4.5 for my 2012 F-250. Your radius arms seem to be on backorder so I was going to go without them for now. I am wondering if there is good wheel choice that may rub at full lock with factory arms but would then work fine when I ordered your arms. I am finding a lot of 17×9 wheels with 4.75 backspace but struggling to find 5-5.5 like is suggested. I want to run the Toyo 37,13.5,17 M/Ts. Any advice on exact wheel size to run in my situation? Maybe even some wheel examples?
Hi Matt – A 37×13.5″ on a 9″ wide wheel with 5.5″ backspace (+12mm offset) will rub the factory arms at full lock but will clear ours once installed! TR Beadlocks will make you this exact wheel.
Been doing a lot of research as well as watching all the YouTube videos on Carli suspension. I plan on going 4.5″ Back Country on my 2019 F-250 with all the fixings and a full leaf spring package. I plan on running Nitto Ridge Grappler 37″x13.5″x18″ with a 18″ Method wheels very similar set up to your new 2020 tremor setup on YouTube, that truck has 38″ tires however. I wanted something that was comfortable to daily drive but also go out desert riding with family and friends. Wanted a soft tire that did not have a lot of road noise and figured this would be the best setup. Thoughts on the setup? Now I am just looking for a shop that I can do the build as well as add some other essentials I’m looking for.
Hi John – You nailed it! The 4.5″ Backcountry with the Full Progressive Leaf Spring Packs will be our softest riding package. Combine this with a 37 on an 18″ wheel and you’ve maximized the ride quality of the platform!
Bought the 2.5 pintop with everything minus the radius arms (future add on since they look sick) and your Deaver full progressive springs for my 19 3500 longbed. I read it decreases to 15% of 2500 capacity from your website or a light 2500 capacity. Was that a typo and only decreases 15% of the 3500? I’ll add your LT airbags later.
Also, made a mistake and bought 37×12.50×17 D rated nitto ridge grapplers instead of the E rated, should I send them back and get the E rated instead or send it and get E rated next time?
Great write up by the way.
Hi Jose – the long-travel airbags will ensure you maintain factory capacity. That’s not a typo, the leaf spring packs are classified as a “light 3/4-ton” pack. The payload reduction on a 3500 is significant without the airbags. As for the D vs. E rating, the load index on the D is likely OK if the tire shop allowed you to leave with them installed but you’re going to want to look at their max load at max pressure vs your payload to make sure prior to loading the truck!
Hey there, I have a 2017 F350 SD, 6.7 PS. Currently running the Carli Commuter 2.0, with steering stab, brake lines, etc. I’ve had a set of Black Rhino 20 x 9 (+12) wheels on it with …(yes, I found out the hard way) a set of 35 x 12.50 Toyo R/T F rated tires. ….. Got 45,000 miles out of them, and I felt most of them Time for new tires. My question is, after all the above info about 20” vs 18” wheels, can I move up to a 37 x 12.50 E rated tire on these current wheels? A test fit BFG Km3 looks like it will clear with the possibility of a very slight rub on control arms at full lock. Didn’t touch in the shop, but I’m guessing aired down it might. Will it help the ride quality enough? Or, should I save some more and re-do the whole package with the same wheel in 18 x 9 +12? Also, psi’s – 45F and 40R??? Thanks a lot!
Hi Kay – The 37s will be a noticeable difference, for sure! Going to an 18 with a 37 would be even better. My recommendation, 18×9, 37×13.5 45F, 35R!
Hi, I recently purchased your 2.0 Commuter Kit with progressive add a pack rear leafs for my 2006 F-250 crew cab long bed. I initially misread your description and also ordered 5.5″ backspaced 17″ wheels instead of 5″ backspace with 37″ Falken WILDPEAK AT3W tires. I understand I’ll have to trim the inner wheel wells to fit the larger tires but how much interference will I experience with the stock radius arms? I don’t have the funds to upgrade currently. Can I simply not turn lock to lock to avoid rubbing the arms? Perhaps .5″ spacers on the wheels which I’m really not fond of. Thank you in advance for any advice you can provide.
Hey Matt! 5.0″ is actually further out than a 5.5″, not further in. You’re good; you’ll need to trim a very similar amount to fit a 5 and 5.5″, the good news, NEITHER will rub the radius arms.
Hi Dan, Thanks for the great article with lots of great information. I live near Tahoe where snow is frequent and deep during the winter months. I appreciate your recommendation for the Toyo MT tires, but I was wondering if you have any recommendations for a 35×12.5×17 tire that will ‘work’ in snow? Most MT tires don’t work too well in snow – do you have any experience will the Toyo MT’s in snow?
Hi Andrew – We’ve, and customers, have enjoyed both the Falken AT3W and Toyo AT3. Customers living in climates seeing consistent snow often choose a tire with a more narrow profile – a 295/70 for example. Not the best choice for ride quality but the traction, thereby safety, should be prioritized.
Dan, great article which continues to remain valid. My question, is more a confirmation. Lots of questions regarding 37”, not much on 35”.
I have a 2017 RAM 2500 Power Wagon. I’m running 35×12.5×17” Toyo AT3s on stock OEM wheels and stock suspension. Confirm with daily payload that 40F/35R is sufficient? I think so? Thank you.
Hi Russ, sounds perfect for a PW. On a diesel, I’d put the fronts at 45 but 40 should be perfect on your hemi!
Hi I have a 2017 f250. Looking to put a commuter 2.5” kit on. Can I run the deaver springs with the commuter shocks? I’m also going with 295/65r20s for tires, not wanting MTs because of noise. What is the smoothest tires to run for comfort?
Hi Will – The Deaver add-a-packs are designed to run with the Commuter, the full progressive spring options are only compatible with the Backcountry and up! Smoothest tires are Toyo MT, in my opinion.
Great write up
I have a 2017 F350 crew cab long bed FX4, what leveling kit would you recommend?
I do not off-road often but do go to the dessert and tow a 15k 5th wheel and have air bags.
I want to fit 35s, can I also use the stock rims?
I was favoring the back country kit.
Also I live in So Cal and do drive the messed up highways.
Hi Terry, I would recommend the Commuter for what you’re doing. The Backcountry should work great for you as well but it’s unlikely you’ll see the potential on those shocks with stock F350 rear leaf springs and airbags. 35s will require aftermarket rims or wheels spacers to avoid contacting the sway bar and brake lines. 5″ Backspace is ideal…
Dan If I go with the backcountry What leaf spring set up should I use to help with the stiff ride in the rear when not loaded and not sacrifice the load capacity?
Hi Terry – on the F350, DEFINITELY go with the full leaf springs. My recommendation would be to do the 4.5″ in Backcountry with the Full Springs and Long-Travel Airbags. This is our best riding system. If you do the 2.5″ system, the ride is a touch stiffer and you won’t be able to run our airbags as they’re only available in the 4.5″ lift height.
I appreciate the advice but I Park my truck in the garage and anything more then 2.5 it will not fit
I just recently ordered a set of 18×9 +18 Raceline wheels with 35×12.50r18 Cooper Discovery AT3 Xlt’s (load range E) that have a load rating of 3415lbs at 65psi. Doing the math it sounds like I should be around 45F/40R for optimal ride quality while unloaded. This is on my 2020 Ram 2500 Megacab Cummins with Carli commuter 2.5” kit. Does this sound right to you guys? Any recommendations to keep the TPMS light off at these pressures? Thanks in advance!
2016 F250 on factory 20″ rims. Installing the 2.5 commuter kit to attempt to tame this forklift like ride on the concrete interstates and buckling roads of south Louisiana. The site says a 37″ tire is best for the 20″ wheel. What minimal trimming is required to run a Toyo OCRT 37″? Or should I just stick with the 35″ tire. Also the tire comes in 12.5 or 13.5 wide. Which would provide the best ride?
Hi Keith, we do not recommend oversized tires on factory wheels as they will rub the brake lines and sway bar. If you’re going with a 37″ tire on an aftermarket wheel as we recommend, I like the 13.5″ wide for a more square profile. It does better with lower pressure.
You’re a machine! Just scrolled through all the posts! (Whew!) I’m on the fence and need your experienced opinion. 17′ F-250 6.7L, 2.5″ Backcountry, Sway bar with endlinks, full leafs, and high mount. (Just ordered……) Looking to go with NV 305 wheels for 37×12.50x??? RT tires..
Questions: 1. 17×8.5 or 18×9 wheel 2. When are new backcountry kits shipping. (Ordered today form CJC)
All in a day’s work, Kevin!
1. I like 17s as they’re more cost effective and have a larger tire selection. 18s are getting better but the tires selection is still limited and substantially more expensive than their 17″ counterparts.
2. Hit up CJC, they’ll be able to tell you where you are in THEIR line. We have several rounds of shocks inbound for our stocking retailers and only they know on which one you’ll fall. That said, it’s looking like early September is when the next round are due at Fox.
I have a 2020 Ford F-250 Limited I want to put eight 3 1/2 inch lift suspension on it with 20 inch with that 20 x 9 rims and tires 37 x 12.50 x 20. Will it fit or will it rub
Hi Jerry, specific tire fitment can be found on each system page! Scroll to the bottom of the description to find this information.
2019 Power Wagon with Pintop.
What wheel and tire would you recommend?
Thinking 17” 12.5s with 37s?
17s are great – stick to 9″ wide, 5.75″ backspace. You can run a 13.5 or 12.5, personal preference, really!
Hi Dan, 2020 Ram 2500 here. Really wanting to run 37×12.5×20 with 20” wheels. What kit would you recommend and what offset would you recommend. I don’t want to have to trim much if at all. Also will the kits for the 14-18 Ram 2500 fit with minor adjustments? I’ve heard rumors they will, but would like your feedback. Thank you!
Give us a shout at the shop 888-992-2754 or email@example.com – there are always follow-up questions and that’s best had via phone/email.
what wheel is that?
Which of the three trucks are you referring to? They all have different wheels…
Hello: I have a 2020 Ram 3500 SRD Megacab with factory 20″ wheels. I ordered the full Carli suspension system front and back due to the factory air bags. My question is tire size? ( I’d like to keep the factory wheels although I am not married to them). What tire would you recommend, I’d like to run either a Toyo or Nitto Tire, 35″or 37″. No wider than 12.5.
Hi Joe, factory wheels will limit you to a 35 – we’d recommend a 37×12.5″ on a 9″ wide wheel with a +18mm offset.
Hi Dan, I have a 2019 Ram Power Wagon and recently purchased the 2.0 Back Country system with the optional sway bar and steering stabilizer. Will 37×12.50’s on a 17×9 or 18×9 wheel with +18 offset work with stock radius arms? Would fitment be good or will I need to trim anything? Would this look good on this truck or should I stick with 35×12.50’s? Thanks for your recommendation’s.
Hi Will, those 37×12.5″ will fit great on either diameter wheel so long as you stick to the +18mm; yes, this will clear the factory arms only requiring MINIMAL if any trimming. Stick with 37s!
Hi Dan – I have a 2015 Ram 2500 Crew Cab 4×4 Cummins with the Backcountry Suspension. I currently have Toyo ATII tires 35×12.5×20 on XD Wheels, everything you have said previously about the ride quality is spot on. I’ve ordered some Method CJC Special wheels 17×8.5 and have started shopping for 35×12.5×17 tires. Discount Tire gave me a bunch of grief about the Load Index rating, saying the OEM 285/60/20 were a 125 and that all the tires I was looking at are 121 and a “no go” from them. Is really an issue? The GVWR is 10000, adding the weight rating of the 121 tires puts me 2788 lbs over the GVWR! I’m looking hard at the Falken AT3W or the Toyo AT3’s.
I’d appreciate your thoughts and recommendations.
Thanks – Marty
My opinion, these massive tire chains put crazy restrictions on what they will and won’t install on trucks in an effort to cover their asses. I get it, but don’t agree with it. I run C-Rate 38×13.5″ Falken MT on my 2003 Ram 2500 with no issues. The most important factor is that, at max pressure, the tire can support the max load of your vehicle. Pretty much anything over 3,500lbs @ max pressure (regardless of whether this load rating is achieved at a D Rated 50psi or E/F rated 65-80psi) will be acceptable on these truck.
HI 2018 Ford f -250 6.7 4 by 4. what would you recommend gonna put a 2.5 lift kit which one?
should we stay with the factory 18″ Wheels or 20″ ? and tire size please? we have a Travel Trailer want to keep a good ride. thanks for your advise.
Give us a shout! 888-992-2754
I have a 2017 f250 running the Carli 2.5 back country kit. With Toyo open county 37×13.5R18 with a load range D.
What do you recommend for tire pressure for on road and desert running in Barstow? Also is the pintop for the 2.5 worth it? Or should I upgrade it to the pintop 4.5?
I feel like I am at a pinch because I can easily change it to the 2.5 pintop but just upgrading the shocks or just change the entire suspension system out.
Thank you for your reply in advance. I read the entire article and the comments, I could not find a question close to mine.
Hi Brandan, 45F, 40R on the D-Rated. When out in the dirt, I run 25 front, 20 rear. The 2.5″ Pintop is a runner – i don’t think you should upgrade on performance basis but, if you’re looking for the extra height, that’s the only way to get it. The 2.5″ pintop will absolutely hold it’s own again the 4.5″. It’s actually more controlled with less body roll.
2016 ram 3500 with your leveling coils and shocks. Running the factory black 20’s with a freshly mounted set of Falken MT01 35×12.5
Recommended tire pressures are set to 45/40 but what about when we are pulling our 29 foot pull behind camper? Should they be maxed out?
Also do you have any recommendations for the rear when hooked to the camper as I’ve noticed the rear is squatted quite a bit.
Hi Doug, Max the tires when hauling, yes! As for tow capacity out back, you maintained your factory with that system – you could look into a load distribution hitch (if not already equipped) or airbags. Call to discuss!
Hello. I have a 2008 F250 CCSB with the off-road package. I want to make it more capable off-road but still retain it’s load capacity. I plan on towing a trailer with it and possibly getting something like a 4Wheel Camper (Hawk Model). I am thinking a 2.5″ lift with 37s. I was hoping you could provide some guidance on the suspension set up (budget probably limits to Backcountry at most) and wheels(size and backspacing) and tires?
Hi Heath, that can go a few directions – give us a call to run over the build! 888-992-2754
Do ya’ll have any experience running the Cooper Discoverer AT/3 XLT’s? I have looked at the Falken Wildpeaks but their 35×12.50R18 tire is actually 13″ wide and are recommended for a minimum of a 9″ wide wheel. I’m running stock 18″x8″ wheels on a 2011 F250 with 2.5″ Pintop (full rear replacement).
We do not, sorry!
Hello, I just ordered 2020 F350 6.7 PS. I’ve been researching suspension kits for weeks and I’ve decide to go with the Carli system. What kit would you recommend for a tire/wheel set up 37″X12.5″ Toyo RT W/ Fuel 20″x 9″ wheels. Not sure of the offset yet but I only want 1 or 2 inch’s sticking past fender. This rig will be 70% paved road 30% dirt road trails. I will be towing a 10K trailer as well. Thank you for your help!
Hi Anthony, You could really run either lift height with that combo. 30% of it’s life off-road is a LOT of dirt miles – I’d recommend the Pintop with every option and the Long Travel Airbags to keep that trailer under control.
Currently I am running a 2″ spacer with shock extension on my 2018 cummins 2500. looking to go to Carli commuter. 4 door 4WD short wheel base. Due to work restrictions need to keep factory offset 20″ wheels. Was able to fit 37×12.5×20 tires with minimal rub at full lock. They are an F rated MT tire good for 3,970 @ 80 PSI. just curious what you recommend on the stock 8″ wheel for the best wear and ride.
Hi Don, Honestly, we don’t recommend F rated tires or 37s on 8″ wide. Also, 4,000lbs @ 80psi sounds like WAY too much pressure to achieve that load rating. Most D rated tires achieve 3,500lbs at 50psi… I would try taking the fronts to 45, rears to 35 and see how they do. The 8″ wheels will likely require slightly lower pressure to flatten the tread vs a 9″ wide.
I have a 2018 F250 with a 6” lift, 37×12.5×20 Toyo Open Country M/T’s and about 22k miles on them. Should I have my psi set at 40f/35R as well? They’ve been running at 65 psi this whole time…
Hey Nick – we don’t make 6″ systems for that truck so i assume you have someone else’s lift. We tune our systems at these pressures but can’t speak to what others do. I would call your lift manufacturer as they may be able to provide you better information.
Hello i have a 2017 ram crew cab diesel with 37×13.50r17 avengers whats the best psi
Hello, What lift and tires are you running?
Toyo rt and stock suspension on a 2.5 levelling
I have a 2005 F350 CCLB FX4 that I daily drive, tow a 25’ trailer and occasionally tow a dump trailer for work. I bought the truck with 35” Toyo MT’s on the stock wheels. Looking to get some Method Standards and I’m looking at a fully optioned 2.5” Commuter System. I have two questions, 1. If I go with the full leaf spring kit is it going to sag the rear end when towing the trailers? 2. Will it soften up the daily driving? The truck likes to dance with the extra stiff rear end. Are there any Carli reps up in the Bay Area? Thanks in advance.
Hi Mike, give us a call so we can run over the build! 888-992-2754
I am installing a 4 inch radius arm lift kit on 2019 RAM 3500 SRW.
I have a 17x 9.5 with 4.5 backspacing & -18mm offset
Will I be okay to run a Toyo MT 37×13.5
Hi Spencer, What do you mean by a “4 inch Radius Arm Lift”? Do you mean you’ve done our lift with our radius arms?
2006 F350 CC 6.0 SB
Looking into the 4.5″ Backcountry. With the right wheel, will I clear 37″x12.50 or 13.50 w/o triming? TIA
You will need to trim, for sure but it won’t be much!
2019 Ford F-350 crew cab, long bed, 2 1/2″ pintop with Carli radius arms.
18 X 9 wheels with 5 3/4″ back space, can I run 325 X 65-18’s with out rubbing?
I am assuming tire pressures 45 to 50 lbs, is that close to what you would recommend?
Thanks for the great article!
Hi John, for a 325 width, we recommend our Radius Arms and 5.5″ backspace. You MAY rub our radius arm at full lock with your current wheels but it’ll be minimal, if any at all.
2019 2500 Cummins
2.5” King pin top shocks level kit by Carli
35×12.5R18 Nitto Ridge graps load F!
18×9” -12mm offset with 4.5” backspace
Hey Matt, 40F,35R! We’re not fans of F rated tires but you already have them – the stated pressures will give the best ride of which your existing tires are capable.
Great write up! Glad I found this before making my new wheel/tire purchase. I’m wondering what the specs of the wheels and tires are on the mega cab at the head of the article. Looks to have method wheels possibly? Thanks for your help!
Those are 20″ TR Beadlock Wheels, 38×13.5″ Toyo MT Tires.
I have a 2019 f-250 and gonna install 2.5 commuter kit. Rims are 20×9 with +12 offset. I plan on getting 35×12.5×20 Toyo RTs. Not sure whether to get E rated or F rated? What would be a good recommended psi for both tires?
Stick to E-Rated Toyo or Nitto, stay FAR away from F Rated.
Why do you say to stay away from the F rated? I just purchased a new 2018 Ram Cummins on Dec. 31st and the dealership had installed a 2″ spacer lift, XD 20’s and 35″ F rated Nitto Terra Grappler G2’s. I will be going with Carli’s 2.5″ Pintop soon!
F-Rated are excessive for the load capacity of these trucks. When overbuilt, ride quality suffers. E-Rated is the benchmark; they’re rated for more capacity than the factory axles while offering superior ride quality.
I have a 2011 ram 2500 5.7 hemi. It has a cheap “leveling kit” for now. (came with the truck) But I have a question with my tire pressure. I have 34 inch patagonia MTs right now. E load and am driving them at 60 psi all around. Based on the other recommendations, should I try 40f/40r?
Hi Frank, I am unfamiliar with the Patagonia M/T. Being a hemi, you can likely drop to 40/35 if they’re an E-Rated tire.
I Have a 2020 ram 2500 diesel with rear air suspension. I’m looking to do a few upgrades, will your pin top leveling system work with my rear air suspension? Also , what tires Do you recommend I install as I have 20 inch rims , I am looking to upgrade factory tires and ride as well. Please advise. Thank you
Hi Frank, We do not currently have any systems specifically designed to the fit the 2500 Air Ride Rear. Contact Top Tier Suspension at (636) 429-7020
I’m running your Pintop 2.5” King Leveling kit with most of the upgrade options on my 2020 Ram 2500 Diesel. I upgraded my stock tires to the Nitto Ridge Grappler 35 X 11.50 X 20 LT on stock rims. Definitely a better ride for sure than stock. I’m thinking I want to go with 37‘s and possibly go with offset rims for better handling and to fill the wheel wells better with a bigger tire , what is your recommendation? Maybe 37X 13.50X 20. ? Thank you .
Hi Dan, I have a f350 platinum diesel 2020…want to upgrade to a level kit and new tires and wheels…I do tow a fifth wheel from time to time..looking for the very best..want a complete leveling system..front and back…what would you recommend….thank you.
Give us a call, Ken! 888-992-2754 – we have tons of options.
I just purchased a 2019 F350 DRW Platinum. What size wheel and tire do you recommend for 2.5? 4.5?
Hi Rene, We recommend 35×12.5″ front, 35×11.5 Rear on Dualies for the 2.5 – 4.5″ 37×13.5″ for the front, 37×12.7″ for the rear.
Hey Dan, I have a 2018 Ram 2500, I am currently running 35×12.5R20 Ridge Grapple F load, what tire pressure do you recommend? I am running you 2.5″ level kit.
Thank you for the help sir.
Hi John, we never recommend the F rated tires; they’re way stiffer than needed on these trucks especially in a shorter sidewall configuration like a 35 on a 20. They’ll likely be pretty stiff regardless but the 45 front 35 rear would be a safe bet.
I have a 2018 Mega Cab 2500 Cummins. Looking for the best of the best for on and off-road. She’s my daily driver so I want good drivability but also want to take her anywhere I want. I am contemplating waiting for the Dominator to come out for my truck, but hearing that it’s more for off-road, my question is… Will I be sacrificing daily drivability with the Dominator, or should I just pull the trigger on pin top?
No sir, even for the guy that spends all his time on the road, the Dominator would be the answer for those not concerned with budget. It’s the best riding on-road system we offer but comes with a ton of off-road capability as well. It’s a lot to spend on a system that wouldn’t see dirt but that on-road 3.0″ King feel cannot be mimicked by any other shock package.
Hi there thanks for all the great info! Think you have sold me on the Toyo’s and love the specs of the 315/70r18 MTs on my 17 power wagon just a little worried about the width. What kind of luck have you had with those on a + 18 to + 25 offset wheel?
Thanks so much!
I’d stick to the +18mm – the 25mm will be a bit too offset to the inside.
I’m working on my 2019 Ram 3500 Cummings build(Tradesman edition, short bed.) I’d planned on doing the AEV dual sport suspension but the more I read I’m leaning toward the Carli Backcountry. My question concerns tires and wheels. I have the AEV Katla 17in wheels and 40in Toyo 40/13.5R17 121Q here in the garage.
I’m waiting for the AEV dual sport to come out sometime in April. As I’m leaning against it, is the Backcountry compatible with 40’s? I know there will be significant fender mods and I’m going to be replacing the stock bumper to accommodate.
Also, I need to keep stock towing and cargo as stock as possible as I’ll be towing my 12.5k fifth-wheel when not in the back country.
Hi Dennis, we’ve had customers install 40s. It takes significant fender modification AND clearance (cut and plate) the firewall. The rear will also require plenty of work to fit the 40s. If you want the best ride AND to keep the capacity, you can do the Backcountry with the Full Progressive Leaf Springs and the Long Travel Airbags.
Hi Dan, I have a 2020 F250, I want to run Method 315’s 18 inch with 37 inch BFG KM3’s. I’m installing 4 inch bulge Fiberwrx
Fenders And bedsides, I’m going to use 2 inch spacers front and back for a wider stance with the Carli commuter system. My question
Is, Will a 12.5 wide tire ride better than 13.5? What width works best with your Commuter system? Your suggestions would be greatly appreciated.
Hi Patrick, So long as you keep the pressures in check, both should ride great!
Do you supply to Australia or have dealers here?
I do run 35’s BFG M/T on factory wheels 2015 F250 6.7 and have Fox 2.0 res shock front and rear. My ride is not good though and was wondering what can be done to love my truck as i should!
Hi Dewald, We sure do; we sell through Yukon Enterprise in Victoria. You can find their info on our “Retailers” page.
Have a ’17 250 with stock 20″ wheels. Looking to upgrade to 2.5″ commuter… what 35″ tires would be best? Keeping stock wheels and looking for best tide quality and sound. thanks!
Toyo ATII would be my pick! Watch the proximity of the tire to the brake lines on the stock wheels; i would recommend a small spacer or aftermarket wheel with any tire larger than stock.
I have a 2008 f350 I am looking to do the 4.5 coil over kit with all the extras. My question is I want to run 38” or 40” tires but I cannot find a E rated tire at that size for a 17” rim. Can I do a D rated tire and not have to worry about issues when towing
Hey Jeff, If you’re going to be towing a lot, i would recommend sticking to E-Rated. D is usually OK for people running around unloaded so long as the load index is high enough but, for trucks that tow often, E will be better.
Hi, I have a 2022 f250 with the 7.3 gas, I want to do the commuter system. And want to stick with 35s with a 17” rim. I’m curious to what width and offset would look best for appearance and performance?Or would it just not look right not running a 37” tire. Any advice would be great thanks.
37s would be better suited. If you’re going to run 35s, it’s going to look more “stock +”. That said, anywhere from 0 to +18mm offset will work with the a 35″ tire. If you do decide on 37s, we recommend a 0 offset.
I have a 15 F-350, stock suspension at the moment with 18×9’s 5.75 backspacing, 18mm offset. My question is it possible to run 37×12.50 on them with your 2.5” backcountry system without major trimming? Lower air dam is already removed. Will 1/4” really make that much of a difference in backspacing? I’ve run 35’s for the past 36,000.
Hi Kyle, you’ll rub the factory radius arm with that combo. If you grab our radius arms with 1/2″ extra tire clearance, you may clear (worst-case, you slightly touch the arm at full lock).
I have a 2013 f350 srw and I am going to be putting on the 2-2/2″ backcountry setup. I see your recommendation for no larger than 9″ wide wheels and a 5″ backspace. Is that 5″ maximum or 5″ minimum? I guess I don’t know what touches first when the tires get larger.
Hi Mike, 5″-5.5″ is the recommended backspacing. In this instance, i guess I’d call int the “minimum” as it’s a small number but it is actually offset to the outside more than the latter. Stay in that range and you should be fine.
hi Dan I am running a 37×12.50 general grabber atx on 17×9 +20 race line avengers whats method would you recommend for balancing. They are sitting under my 2018 ram 2500 crew cab with 6.7 cummins and g56 trans with aftermarket clutch. i have stranded stick on weights but there is a slight shake to the steering and slight vibe to the truck wile running down highway around 70 mph. gonna try hub centric rings and see where to go from there. But before i try every thing i wanted your opinion
We’ve stuck to beadlocks mostly and don’t usually do anything to balance them short of lining up the valve-stem mark. Moving into Jeeps recently, we’ve started using balancing beads inside the tire and it’s been awesome. Stick on weights are great for on-road trucks but don’t seem to stay on long off-road.
2020 F250. i was looking at the 4.5′ back country. What do you think about 22×12 wheels with 37-13.5 toyos MT ?
We’re not fans of 20″+ wheels as they tend to ride quite a bit stiffer than the 17/18″. Also, they’re usually very offset causing fitment issues. Depending on the offset the combo at which you’re looking could work but we’d recommend something different.
2017 ram 2500, 3.25 Pintop, 20×12 KMC XD820 Grenade w/ -44 offset / 4.77 Back Spacing, AEV Fender Flares, Nitto Trail Grapplers 40×15.5!! Whats your take??
Pretty far out of our wheelhouse, honestly. I would say that would likely require substantial trimming to work, if the fitment is even possible!
2013 F-350. Full 4.5″ backcountry kit on 20×10 Sota’s with -19 offset. What tire and what size would you recommend?
37/13.5r20 Toyo MT!
I’m ordering a 2.5” Commuter kit for my 2018 F350 and wanting to keep the stock 20” wheels. I mostly drive on the street and tow a 18-20k 5th wheel once or twice a month. I see in previous posts you recommend staying with a 35” tire. Curious exactly what 35” as there are so many around that size.
Toyo AT3 or OC R/T
295/65R20 = 35.1/11.8
315/60R20 = 34.9/12.7
325/60R20 = 35.4/13
35/12.50R 20 = 34.5/12.50
Hey Mike – We do not recommend keeping the factory wheels with oversized tires as your brake lines and sway bar may rub the larger tires.
Hey Dan – I am ordering a F-250 lariat 6.7 Diesel with factory 20” tires. I am towing a 10,000 lb trailer. I figured the 20” wheels would improve braking and handling. What would be best pressure and any thoughts on the 20” verses 18” wheels??
Hi Dave – As PSI is pressure per square inch, the pressure recommendations don’t change between the two sizes. Same 45/40 recommendation. As for 20 vs. 18… 18″ all the way. We never recommend 20s.
2019 F250 Platinum. Considering the 2.5″ commuter leveling kit. I am trying to stick with the factory 20″ wheels. What size tire do you recommend? They will be either Nitto or Toyo. I was thinking 35’s but after reading your page I am questioning the decision.
Hi Rob, I wouldn’t go above a 35″ tire on factory wheels. Make sure to check your clearance to your brake line once you install them.
When you give a recommended Tire pressure, is that a cold fill pressure; or the pressure you want when tires are warmed up. Currently running (unloaded) 16 Ram 2500 QC SB w/ basically 35/12.50R18 Falkens at 46F/44R (Warmed up)
Hi Nathaniel, The recommendations we give are cold. You’ll usually see about 4-5psi variance when warmed up!
Hey dan i just got the 3 inch unchained installed on my 08 megacab i have 20″ xd monsters on it now with the nitto ridge grapplers and i just noticed that one of my rims are cracked so what off set/ backspacing / width of rim should i get. I will be stay with a 20 inch since the tires are newer and also i dont have the money to get tires and rims lol
Hey Jake – frankly, 20s have no business on an unchained kit unless you’re running 40″ tires… That said, your qualifier was that you’re still running the 20s so I would tell you to look to something forged as you’ll need all the rim strength you can get!
Hey Carli, I have a 2016 ram 2500 on factory 18 inch rims with your pintop 2.5 leveling it fully built out. I’m running 285/75R18 I looked at the toyo spread sheet and it looks like I should be at 50 front and 45 rear, does that sound about right? Thanks for making great stuff!
Hi Connor, for a more narrow tire like a 285 with a 75% profile, that sounds pretty accurate, yes!
Hi Dan, Can you tell me what Carli recommends for a 17″ x 9″ rim and an 18″ x 9″ rim for the offset and backspace using 37″ tires? I am not familiar if putting 40″ tires would result in premature front end wear due to their larger size and weight than the factory tires. What’s your opinion on using 40’s versus 37’s ? Are there any Carli videos you can highlight about this? Thanks Dan, Gerry
Diameter is irrelevant – you didn’t mention the truck so i’ll list both. Rams, ideally, 5.75″ Backspacing (+18mm offset) on a 9″ wide. Fords, 5.5″ Backspace (+12mm offset) on 9″ wide WITH Carli Radius Arms; without you’re looking at a 5″ Backspace (0 offset) on a 9″ wide with more trimming than the former.
We’ve not done a video on this at this time as we’re not in the wheel/tire business – you’re more likely to see us put out product related videos while companies like CJC Offroad put out all around build videos including the information you’re after!
I have a 2016 F250 with the backcountry 4.5”. Currently running factory radius arms. I’ve had two strikes with the Method 305 with 37×13.5r20.
20×10 -18mm clears on road but eats the fender at flex, 20×9 +18mm rubs badly on the radius arm and sway bar.
Will the method 305 HD 17×8.5 – 0 offset w/37×13.5” work?! Thanks
Hi Jay – the 0 offset will be the best fitment but will still require some trimming (fender) to ruck a 37×13.5 at full flex.
Hi Carli, Can you tell me the rim dimensions and the tire dimensions of the Gray Ford F250 which is the last photo in this article? Also what Carli Suspension mods were done to her. It just has the Perfect Stance, Level and the wheels are the right size and are a perfect match for that rim size. Any articles on that build?? I have a 2017 F250 Platinum with 2000 miles on her and am in need of your advice to finally set the truck up the way it should be. Thanks, Gerry
Those are a 17×9″ Raceline Wheel and 40×13.5″ Toyo MT. It’s running a 4.5″ Carli Pintop System with every option. This truck belongs to George Pomaville, the owner of 8 Lug Truck Gear – a Carli Stocking Retailer in Northern Michigan.
Thanks for the lightning response. I will shoot him an e-mail and phone call. Do you have a Carli Dealer/Installer in Florida? I live in the Jacksonville Beach area? That Truck is just Way TOOO Gorgeous. Awesome Build George and 8 Lug Truck Gear
I want to order replace my amp at 35×12.5×20 on a 20×10 wheel for a 2016 ram 1500. If I choose Toyo At3s should I order 35” or 37”?
Hey Angie – I am not sure I understand what you’re asking? On a Carli equipped 1500, we never recommend more than a 35″ tire.
Hi Carli, I agree, that is a very good looking set up on that grey truck? I just finished having a 2.5″ level kit installed on a 2017 F350 and still have the factory 20″ rims and tires. I don’t know nearly enough about tire/rim combos and have read everything on your site to get informed but it seems like and I am only more confused. I drive that truck probably 90% highway while towing anywhere from 6k-10k pounds usually long distances from San Diego to Lake Powell or desert, etc…, or simple around town errands with small loads in the back. Install dealer recommended 35″ E-rated tires with 20″ wheels, but after reading everything here it sounds like I should look at smaller rims. I don’t want to modify for fitment if I don’t have to. I am not married to any wheel or tire combo, simply looking for the best performance combo given my usual driving conditions. Thank you for any help provided.
Hi Tom, Best looks and performance on a 2.5″ system will be an 18″ wheel, no more than 9″ wide with 5″ of Backspace on a 37×13.5″ E-Rated tired run at 45F, 40R (max them out when hauling).
So I noticed the bumper has spacers for the 40s to fit but was any other trimming or modification needed? (Gray F250 at the end of the article)
Yes, there’s a good amount of trimming for 40s in addition to moving the bumper forward. We don’t recommend this as i don’t think there’s any-way that clears when running in the dirt.
I have your 2.5” level kit for my 2016 ram 2500. Can I run 20×10’s with -18 offset without any issues? I currently have 295/65/20 nitro ridge grapplers on the stock 20” rims that I would put on the new rims
295/65/20 Ridge Grapplers are VERY stiff tires, I’d recommend moving to a 35″ tire and sticking to a wheel that’s no more than 9″ wide and a positive offset. We do not recommend negative offsets or 10″ wides as they’re notorious for causing fitment issues. These issues lead to running a smaller tire and are usually on a 20″ or larger wheels exacerbating the diminished ride quality.
I’m running 33×12.50r20 Ridge Grapplers on 20×10 -25 offset, the trucks a 2004 dodge 2500 quad cab long bed 5.9l 24v. What the best optimal tire pressure I can run for a semi comforting ride?
That’s too small of a tire on too large of a wheel for us to make any recommendations, unfortunately.
2015 f350 dominator 4.5 lift 37×13.5×20 Toyo RT tires what should I run my tire pressure at when towing 11k and when not towing?
Thanks in advance.
40-45PSI Front, 35-40PSI Rear unloaded, max the tires when towing.
Have you guys done any 37×12.5×20 wildpeaks at’s on stock ram 20″ wheels? I have a 6″ lift. Curious about ride quality?
We do not run 37s on factory wheels, they’re not offset enough. Also, fitment will depend on you arm setup. If you have our Radius Arm System, you’ll need 4.5″ of backspace to clear a 37″ tire.
I have a 2007 mega cab 2500 running your back country 2.0 fox kit with full leave springs and high clearance control arms and the splined sway bar and ball joints. I am running factory wheels right now with 37×12.50×17. My fiberwerx fenders and bedside just showed up the other day. I am looking for a beadlock with the right offset to kind of fill the new fenders. What would you recommend? Im wanting to stay with a 17” wheel and will be switching to 37×13.50 toyo mt.
If you’re running glass, go 4.5″ for the best stance with 37″ tires.
2016 Ram 3500 CC longbed. Running Toyo at2 in 37×12.5r22 on 22×12 (-51) wheels.
What’s your suggested tire pressures for best ride and handling?
Honestly, too large in diameter, too wide and too offset for us to have any experience with. My recommendation would be to go to a different wheel if you’re concerned about ride quality.
Great read. Are you running that standard 40/35psi just for daily on road performance and then airing down at all for any of your off road testing? The 40/35psi sounds like it may be good for the higher speed off road running you guys usually test for, what about slower more towards rock crawling or deeper sand? I understand as you get towards this type of driving guys run all types of pressures for certain reasons, do you guys have a certain “aired down” pressure as a first go to for running sand or something you might want more float for, but still taking into account you’re running heavy full size trucks?
40/35 is for driving around town. Normally at 30/25 or even 25/20 with bead-locks when we’e off-road. Soft sand, even lower. There’s no pressure that works all around, you’re going to need to alter it for extreme circumstances.
I have 325/60R20 Fury Offroad MT tires on my 2012 mega cab with the 2.0 commuter kit. What pressure should I be running in the front and rear for optimal comfort ride?
45 Front, 40 Rear
I am running your king leveling kit on my 2020 ram 2500 mega cab
I’ve got 37” x 13.5” ridge grapplers on 20” wheels with +20mm offset and have things trimmed for no rub
What tire pressure do recommend for daily driving?
Hi Brian – you’re right in the recommended range – 45F, 40R.
I have 37 12.5 17 toyo rts on my 17 ram 2500 and have the commuter kit. What tire pressure should I run in these from and rear?
Hi Thomas, 45F, 35R when unloaded.