Short video to show that 33 12.50 18 tires fit on a stock trailboss with no lift or level.Shop 2019-2023 Chevy Silverado Tires. Hand-picked by experts! Pay later or over time with Affirm. *Free Shipping on Orders Over $119*A Chevy Silverado has 31.6-inch factory standard tires. These tires have the number 265/65/R18 and the stock suspension can only accommodate tires up to 33.5 inches (275/60/R20). You will not be able to fit tires any bigger than 33.5 inches onto the stock suspension of your Chevy without having to do some difficult modifications.Play as hard as you work with our 2023 Chevy Colorado Trail Boss 4WD tires. Whether your road leads to the basecamp or the worksite, we have the best Colorado tires, all at the best prices in town. Our 1,000-plus stores have every tire type out there, such as all-season truck tires and all-terrain tires.20 Trail Boss Tire Fitment Looking at putting a 275/70/18 on the stock wheels if my trail boss. M/T Baja Boss A/T says they are 33.4” which is just about an inch bigger than stock.The Chevy Silverado Trail Boss has very narrow wheel wells in the front and will not accept a much larger tire. What will you have to do to increase the tir...Sep 14, 2021 · Apr 26, 2022. #21. Z’s are only a half inch higher due to the larger tire. The ride height is identical to 20” rim equipped trail bosses as both run 33’s. I would expect a slight bump in width such as a 85 or more then likely a 95 will fit without much issues beside extreme suspension articulation. 35’s will not fit on a stock truck. The Silverado 1500 Trail Boss comes with 32-inch tires, although a quick forum check confirmed big Boss-daddies have gone as high as 34-inches on a stock suspension after removing the mud flaps.This guy discovered that running 35 inch tires on his Trail Boss seriously overheated his transmission. You may find that switching to tires of that size will also require re-gearing your final drive. It depends on what your current gearing is. His was geared with a 3.42 rear end. Mine is also a 3.42 for the stock 32 inch 265/70R20 tires.Trucks with longer wheelbases allow for higher lifts than most. They let you run 35-inch tires and still have about 4 inches of clearance between the fender and the ground. You can go up to 7 inches in such circumstances. You can fit a 35-inch tire on 6 inches of lift on the Trail Boss. But in order to do so, you’ll need to get the right lift ...Feb 27, 2023 · The answer they gave was a 17-inch wheel — which comes on the ZR2 — with 31.7-inch tires on the Z71, or 33-inch tires on Trail Boss. No word yet on ZR2, but it comes with 33s and there was a ... The biggest tire you can fit on a 2021 GMC AT4 running factory stock suspension and rims are a maximum of 34.8-inches. This equates to a 285/75R18 (34.8”) or 285/65R20 (34.6”) with no trimming or rubbing.Sep 1, 2023 · The Chevrolet Silverado Work Truck, Custom, LT, and RST trims come with General Grabber HTS highway/all-season tires as original equipment. These are sized as 255/70R17 112S with blackwalls. Silverado Trail Boss models usually include General Grabber APT tires as on/off-road and all-terrain options as factory defaults. This how you can make it work: You can opt to use a leveling kit to increase clearance from the Upper Control Arm (UCA). You can also opt to use a 2-inch suspension, which will make the 33-inch tires fit even better while still moving on the stock. So in simpler terms, the 33-inch tire is the biggest you can fit on a Chevrolet Silverado 1500. Apr 26, 2022. #21. Z’s are only a half inch higher due to the larger tire. The ride height is identical to 20” rim equipped trail bosses as both run 33’s. I would expect a slight bump in width such as a 85 or more then likely a 95 will fit without much issues beside extreme suspension articulation. 35’s will not fit on a stock truck.Sep 14, 2021 · Apr 26, 2022. #21. Z’s are only a half inch higher due to the larger tire. The ride height is identical to 20” rim equipped trail bosses as both run 33’s. I would expect a slight bump in width such as a 85 or more then likely a 95 will fit without much issues beside extreme suspension articulation. 35’s will not fit on a stock truck. The new ZR2 model is the most distinctive and off-road-ready 2022 Chevy Silverado 1500. The Silverado ZR2 has a 420-hp 6.2-liter V-8, 33-inch tires, Multimatic spool-valve dampers, and electronic ...Dec 12, 2021 · This guy discovered that running 35 inch tires on his Trail Boss seriously overheated his transmission. You may find that switching to tires of that size will also require re-gearing your final drive. It depends on what your current gearing is. His was geared with a 3.42 rear end. Mine is also a 3.42 for the stock 32 inch 265/70R20 tires. The Split. So, the biggest difference between the two packages is that the 2019 Silverado Trail Boss gets a two-inch lift with monotube shocks and those awesome black wheels, while the Z71 does ...Upgrading to 33 inch tires in your Chevy Trail Boss provides improved off-road performance compared to the stock tire size. The larger tire size allows for greater clearance, better traction, and improved handling on rough terrain. This results in a more confident and comfortable ride while exploring the great outdoors. Increased Ground ClearancePoints. 113. Location. San Diego CA. Mar 2, 2022. #4. Custom Offsets recommends a 3/8" spacer with EVERY aftermarket wheel purchase going on a 2019 or newer Chevrolet Silverado 1500 to ensure proper fitment. *Based on different manufacturers not every wheel will need one, but most will. OP.Apr 6, 2021 · In todays video we finally put my 22x12's and 33's on my 2021 Silverado Z71 Trail boss!Truck looks so much better and I think they fit really well! Short video to show that 33 12.50 18 tires fit on a stock trailboss with no lift or level.If you are modifying a Chevy Silverado 1500 with its stock suspension to have bigger tires, the largest size you can use is 33.5-inch by default. The factory standard tire size is 31.6 inches for this truck model, noted as 265/65/R18. The 33-inch size tires are noted as 275/60/R20. So, you have clearance for one extra inch when going bigger on ...Went with yokahoma X-AT 295/70 on stock 18 wheels. Minor alignment adjustments after install but shop Said it was minor and to mfg specs. No rub anywhere. Tires spec as 34.6/12. Only drove 20 miles but notice no difference in acceleration! Ride is a little stiffer with E load tires but still responsive. Mileage TBD.Use our Search By Vehicle tool and we’ll show you all the current and trending Wheels and Tires for the Z71 Trail Boss. Our vehicle database is curated by Silverado specialist with factory references in addition to references noted from several Z71 Trail Boss online communities. To start your silverado wheels search enter your year, make and ...The new ZR2 model is the most distinctive and off-road-ready 2022 Chevy Silverado 1500. The Silverado ZR2 has a 420-hp 6.2-liter V-8, 33-inch tires, Multimatic spool-valve dampers, and electronic ...2020 Chevrolet Silverado 1500 4WD Crew Cab 147" LT Trail Boss powered by 5.3L V8 Gas Engine with 10-Speed Automatic transmission.If you are modifying a Chevy Silverado 1500 with its stock suspension to have bigger tires, the largest size you can use is 33.5-inch by default. The factory standard tire size is 31.6 inches for this truck model, noted as 265/65/R18. The 33-inch size tires are noted as 275/60/R20. So, you have clearance for one extra inch when going bigger on ...Upgrading to 33 inch tires in your Chevy Trail Boss provides improved off-road performance compared to the stock tire size. The larger tire size allows for greater clearance, better traction, and improved handling on rough terrain. This results in a more confident and comfortable ride while exploring the great outdoors. Increased Ground ClearanceThe Silverado 1500 Trail Boss comes with 32-inch tires, although a quick forum check confirmed big Boss-daddies have gone as high as 34-inches on a stock suspension after removing the mud flaps.Share 20K views 7 months ago Follow along with Bryce as he walks you through his 2022 Chevy Trail Boss. Being a daily driver and weekend family adventure rig; Bryce wanted to beef up his...Sep 16, 2022 · A Chevy Silverado has 31.6-inch factory standard tires. These tires have the number 265/65/R18 and the stock suspension can only accommodate tires up to 33.5 inches (275/60/R20). You will not be able to fit tires any bigger than 33.5 inches onto the stock suspension of your Chevy without having to do some difficult modifications. Jul 14, 2023 · The 2022 Silverado Trail Boss sits on a few stock wheel-and-tire combinations. 255/80/R17 - 33.1 inches. 265/70/R17 - 31.6 inches. 275/65/R18 - 32.1 inches. 275/60/R20 - 33 inches. As we can see from the list above, the Silverado Trail Boss' stock tires can be as big as 33.1 inches straight out of the factory. I decided on Duratrac 285/75r18 on the stock wheels. I didn't want a lift, or something to wide, but really wanted a good size sidewall. This tire is 34.8 tall with a 8.4 sidewall but only 11.2 wide. really fills the well, but doesn't hang out at all. No rub, even at full lock. This is good to know, I have a brand new set of these exact tires ...Aug 2, 2020 · Trail Boss Wheels and Tires. Discussions all about Wheels & Tires including tire comparisons, aftermarket wheels, tire upgrades. Threads. 120. Messages. The biggest tire you can fit on a Chevy Colorado with stock suspension and stock rims are 265 65 17’s. They will be without any rubbing problems, and no trimming or additional modifications are required to make them function properly. The stock Colorado sizes are: 255/65/17. 265/65/17. 265/60/18. 255/55/20. These tire sizes are roughly 32.7” and come in the form of a 255/85 r16 or 255/80 r17 which is 33×10 (roughly) and will fit on a stock suspension with no lift and little to no rubbing. The width of a 255 works well, as long as you don’t fit negative offset rims or thick wheel spacers.Upgrading to 33 inch tires in your Chevy Trail Boss provides improved off-road performance compared to the stock tire size. The larger tire size allows for greater clearance, better traction, and improved handling on rough terrain. This results in a more confident and comfortable ride while exploring the great outdoors. Increased Ground ClearanceNov 6, 2020. #2. I’ve got 295/70R18 Falken Wildpeak AT3W tires on my 18-inch Trail Boss wheels. Just a tiny bit of rub on the mud flap occasionally when reversing with steering near full lock. I don’t have any lift or levelling kit, just factory Trail Boss suspension. Last edited: Nov 6, 2020. , 1-bad-boss, and 7 others.Feb 13, 2021 · San Diego CA. Mar 1, 2021. #9. Installed the 1.5” spacers today. I really like the wider stance. I have a ReadyLift 2” level kit and 295/70-18 Toyos on stock wheels and did not rub at all. After the spacers, the fronts just barely rubbed the inner mud flap. I removed the mud flap brackets and trimmed the mudflaps and no clearance issues at ... Nov 2, 2020 · I decided on Duratrac 285/75r18 on the stock wheels. I didn't want a lift, or something to wide, but really wanted a good size sidewall. This tire is 34.8 tall with a 8.4 sidewall but only 11.2 wide. really fills the well, but doesn't hang out at all. No rub, even at full lock. This is good to know, I have a brand new set of these exact tires ... Upgrading to 33 inch tires in your Chevy Trail Boss provides improved off-road performance compared to the stock tire size. The larger tire size allows for greater clearance, better traction, and improved handling on rough terrain. This results in a more confident and comfortable ride while exploring the great outdoors. Increased Ground ClearanceWheel and Tire Size. If you run 20-inch wheels on 33-inch tires, then the amount of total tire sidewall is 13 inches: 6.5 inches at the top and 6.5 inches at the bottom. Compare this to a 17-inch wheel on that same 33-inch tire and you now have 16 inches of total sidewall with 8 inches at the top and bottom.Jan 29, 2021 · Depending on what generation of the Chevy Silverado you have, you may or may not need a lift to fit 33 inch tires. Some of the different models actually come with 33 inch tires stock and would not need a lift. Other models of the Silverado have smaller tires and would require some form of modification that may include a lift in order to fit 33 ... Oct 21, 2020 - Just wanting to see what everybody has tried in regard to upgrading tires on a stock Trail Boss. Thanks! Oct 21, 2020 - Just wanting to see what ... Falken Tires’ parent company, Sumitomo Rubber Industries, operates 12 state-of-the-art tire manufacturing facilities around the world. Every Wildpeak A/T3W tire is produced within this large network of ISO 9001-certified manufacturing plants, which includes locations in Japan, Thailand, and the U.S. (Buffalo, New York) just to name a few.Our first recommendation is 33-inch tires. If you love driving your Trail Boss over paved roads or highways, 33-inch tire size is okay. While it has less off-roading capabilities, it is easier to fit. However, you might have to avoid the wider tire to ease the installation process.The Silverado 1500 Trail Boss comes with 32-inch tires, although a quick forum check confirmed big Boss-daddies have gone as high as 34-inches on a stock suspension after removing the mud flaps.The biggest tire you can fit on a 2021 GMC AT4 running factory stock suspension and rims are a maximum of 34.8-inches. This equates to a 285/75R18 (34.8”) or 285/65R20 (34.6”) with no trimming or rubbing. 53mm 6-Lug Wheel Spacers (99-23 Silverado 1500) Impact Wheels 805 Gloss Black and Red Milled 6-Lug Wheel; 20x10; -12mm Offset. Mammoth Trail Boss Style Black 6-Lug Wheel; 18x8.5; 26mm Offset. Fuel Wheels Vapor Matte Black with Gray Tint 6-Lug Wheel; 20x9; 2mm Offset. Black Rhino Atlas Olive Drab Green 6-Lug Wheel; 18x9; 0mm Offset. Boise, Idaho. May 10, 2022. #1. Hey guys, new member here. I currently have a 2020 RST but recently put an order in for a 2022 LT Trail Boss with a 6.2! I ordered with the 20” wheels but I am looking get 37” tires once I get the truck. I want to keep the wheels, going to do a level day one and can/will add spacers to give it a little more ...Nov 26, 2021 · Picked up 275-55-R20 take-offs that were the same physical size overall as the 22 setup. Been great. Now, with 52K on the tires,they're about gone. Picked up a set of '21 Silverado take-off wheels and tires 275-60-R20, (cause it's cheaper than just buying tires at DT,) and they fit fine.....and i just have a 1/2" motofab spacer up front. Play as hard as you work with our 2023 Chevy Colorado Trail Boss 4WD tires. Whether your road leads to the basecamp or the worksite, we have the best Colorado tires, all at the best prices in town. Our 1,000-plus stores have every tire type out there, such as all-season truck tires and all-terrain tires.2019 - 2023 - Silverado 1500 (2-3 in. Leveled w/ 33" Tires - Trimming Required) *. Fuel Off-Road Cleaver Chrome D573. Fuel Off-Road Podium Bronze w/ Black Lip D617 on Chevrolet Silverado. Helo HE835 Black Machined on a Chevy Silverado. Helo HE891 Gloss Black w/ Chrome Accents On A Chevrolet Silverado. Shop These Wheels. Our first recommendation is 33-inch tires. If you love driving your Trail Boss over paved roads or highways, 33-inch tire size is okay. While it has less off-roading capabilities, it is easier to fit. However, you might have to avoid the wider tire to ease the installation process.Feb 27, 2023 · The answer they gave was a 17-inch wheel — which comes on the ZR2 — with 31.7-inch tires on the Z71, or 33-inch tires on Trail Boss. No word yet on ZR2, but it comes with 33s and there was a ... Aug 11, 2022 · Share 20K views 7 months ago Follow along with Bryce as he walks you through his 2022 Chevy Trail Boss. Being a daily driver and weekend family adventure rig; Bryce wanted to beef up his... Apr 6, 2021 · In todays video we finally put my 22x12's and 33's on my 2021 Silverado Z71 Trail boss!Truck looks so much better and I think they fit really well! 2021 Chevrolet Silverado 1500 LT Trail Boss. 1. 275/65R18. 2. 275/60R20. 2021 Chevrolet Silverado 1500 LTZ ... 33 Inch Tires 35 Inch Tires 37 Inch Tires 285/75R16 265 ...Oct 27, 2020 · looking for the larger tires but don’t want to dump a ton of money into a 4 or 6” lift that I can’t even fit into the garage. thanks guys. Click to expand... I have 295/70/18 (34.5-inch) tires on my stock Trail Boss. You can trim the mud flaps a little and then there’s absolutely no rubbing. Looks the same as 35-inch tires but just a ... Supreme Suspensions 2.50-Inch Front / 2-Inch Rear Pro Billet Suspension Lift Kit (19-23 Silverado 1500, Excluding Trail Boss & ZR2) $239.95. (18) ICON Vehicle Dynamics 2.375 to 3.75-Inch Suspension Lift System with Billet Upper Control Arms; Stage 3 (19-23 Silverado 1500 w/o Adaptive Ride Control, Excluding 2.7L & ZR2) $3,529.80. (18) ICON ...2021 Chevrolet Silverado 1500 LT Trail Boss. 1. 275/65R18. 2. 275/60R20. 2021 Chevrolet Silverado 1500 LTZ ... 33 Inch Tires 35 Inch Tires 37 Inch Tires 285/75R16 265 ...In order to get taller tires into the wheel well, you’re going to need to lift that truck up. A good rule of thumb is the taller the tire the higher the lift. We will give you a list to reference based on the lift height and the maximum tire size it can accept. Leveling Kit: 33 inch; 1-2 inch lift kit: 33 inch; 3-4 inch lift kit: 35 inchStock trail boss with 33-inch tires. If you’re looking for a stock trail boss with 33-inch tires, you’re in luck. This size is becoming increasingly popular among off-road enthusiasts, and there are a number of companies that offer this size tire. Some of the most popular brands include BFGoodrich, Michelin, and Toyo.Use our Search By Vehicle tool and we’ll show you all the current and trending Wheels and Tires for the Z71 Trail Boss. Our vehicle database is curated by Silverado specialist with factory references in addition to references noted from several Z71 Trail Boss online communities. To start your silverado wheels search enter your year, make and ...Trail Boss Wheels and Tires. Discussions all about Wheels & Tires including tire comparisons, aftermarket wheels, tire upgrades. Threads. 120. Messages.Feb 27, 2023 · The answer they gave was a 17-inch wheel — which comes on the ZR2 — with 31.7-inch tires on the Z71, or 33-inch tires on Trail Boss. No word yet on ZR2, but it comes with 33s and there was a ... Falken Tires’ parent company, Sumitomo Rubber Industries, operates 12 state-of-the-art tire manufacturing facilities around the world. Every Wildpeak A/T3W tire is produced within this large network of ISO 9001-certified manufacturing plants, which includes locations in Japan, Thailand, and the U.S. (Buffalo, New York) just to name a few. Below is a list of the specific factory tires offered on the Silverado 1500. 17-inch Tires. General Grabber HTS. Bridgestone Dueler AT RH-S 17. 18-inch Tires. Goodyear Wrangler Fortitute HT. Michelin Primacy LTX. 20-inch Tires. Goodyear Wrangler Trailrunner AT. 2021 Chevrolet Silverado 1500 LT Trail Boss. 1. 275/65R18. 2. 275/60R20. 2021 Chevrolet Silverado 1500 LTZ ... 33 Inch Tires 35 Inch Tires 37 Inch Tires 285/75R16 265 ... Apr 26, 2022. #21. Z’s are only a half inch higher due to the larger tire. The ride height is identical to 20” rim equipped trail bosses as both run 33’s. I would expect a slight bump in width such as a 85 or more then likely a 95 will fit without much issues beside extreme suspension articulation. 35’s will not fit on a stock truck.2021 Chevrolet Silverado 1500 LT Trail Boss. 1. 275/65R18. 2. 275/60R20. 2021 Chevrolet Silverado 1500 LTZ ... 33 Inch Tires 35 Inch Tires 37 Inch Tires 285/75R16 265 ...Aug 23, 2022 · 43. Location. Saratoga springs NY. Sep 21, 2022. #10. I’m running a 6 bds lift with 35x12.5 x18 -12 offset fuel wheels… my right front tire has very minor rubbing on the inside of the fender in reverse, all mud flaps are removed from my truck.. No spacers needed to clear calipers with these wheels.. Jan 22, 2020 · Like. ronsrwalrath · #55 · Jan 18, 2022. I just installed a set of 285/65R18s on my 2020 trail boss. They are 32.5 × 11.2" which is only slightly larger than stock. There is no rubbing. The answer is “yes, it is”. 285 tires refer to the width in millimeters while 33-inch tires allude to diameter. In other words, they have similar sizes. The measurement systems are quite distinct, so many of us might confuse. 285 indicate 285/75/16, which is the metric size for 33 inches. Measurement. 33 inches tires (285/75/16)Share 20K views 7 months ago Follow along with Bryce as he walks you through his 2022 Chevy Trail Boss. Being a daily driver and weekend family adventure rig; Bryce wanted to beef up his...Aug 2, 2020 · Trail Boss Wheels and Tires. Discussions all about Wheels & Tires including tire comparisons, aftermarket wheels, tire upgrades. Threads. 120. Messages. Dec 12, 2021 · This guy discovered that running 35 inch tires on his Trail Boss seriously overheated his transmission. You may find that switching to tires of that size will also require re-gearing your final drive. It depends on what your current gearing is. His was geared with a 3.42 rear end. Mine is also a 3.42 for the stock 32 inch 265/70R20 tires. For example, some Jeep Wranglers have a stock height that is high enough to accommodate 35 inch tall tires. However, most vehicles have terrible ride heights and need a lift kit to fit 35 inch tires. What is the lift on a trail boss? The lift on Trail boss is a kit that provides you with leveling while increasing tire clearance to ensure ...May 7, 2018 · Your axles are your low point. The difference in ground clearance at the axle between 33” and 35” tires is 1”. 33”s will cost you $1200-$2000 depending on tire and if you will need new wheels. That extra inch of clearance at the axle with 35”s for $8000-$12,000 more might not be worth it. yep, that make sense. Cooper STT Pro Mud Terrain Tires (295/75R17) This style of tire is truly designed to claw at the rock, mud, snow – or any other severe terrain you may find yourself on. Mud Terrains are typically going to provide the most amount of traction possible for a street-legal radial. There is a balance when buying an MTs.
The upcoming Chevy Silverado ZR2 Trail Boss is equipped with larger tires than the current Chevy Silverado Trail Boss, running 33-inch rubber compared to the current model’s 32-inch.... Kwn ayrany
A Chevy Silverado has 31.6-inch factory standard tires. These tires have the number 265/65/R18 and the stock suspension can only accommodate tires up to 33.5 inches (275/60/R20). You will not be able to fit tires any bigger than 33.5 inches onto the stock suspension of your Chevy without having to do some difficult modifications.Upgrading to 33 inch tires in your Chevy Trail Boss provides improved off-road performance compared to the stock tire size. The larger tire size allows for greater clearance, better traction, and improved handling on rough terrain. This results in a more confident and comfortable ride while exploring the great outdoors. Increased Ground Clearance Upgrading to 33 inch tires in your Chevy Trail Boss provides improved off-road performance compared to the stock tire size. The larger tire size allows for greater clearance, better traction, and improved handling on rough terrain. This results in a more confident and comfortable ride while exploring the great outdoors. Increased Ground Clearance The 2-inch Suspension Lift cannot be installed on all regular cab trucks, 2019+ Chevrolet Silverado 1500 Custom Trail Boss and LT Trail Boss, all Max Trailering Package trucks (NHT), all Snow Plow Prep-equipped trucks (VYU) PART NO. 84768243 /2-inch Suspension Lift – 4WD. PART NO. 84649982 /2-inch Suspension Lift – 2WD. 16 CITY / 21 HWY. Base Price. $50,095. As Tested Price. $55,930. View All Specs. The hot trend in the pickup truck world is the off-road special. Since the introduction of the Raptor, most pickup ...Apr 6, 2021 · In todays video we finally put my 22x12's and 33's on my 2021 Silverado Z71 Trail boss!Truck looks so much better and I think they fit really well! 2019 - 2023 - Silverado 1500 (2-3 in. Leveled w/ 33" Tires - Trimming Required) *. Fuel Off-Road Cleaver Chrome D573. Fuel Off-Road Podium Bronze w/ Black Lip D617 on Chevrolet Silverado. Helo HE835 Black Machined on a Chevy Silverado. Helo HE891 Gloss Black w/ Chrome Accents On A Chevrolet Silverado. Shop These Wheels.Apr 26, 2022. #21. Z’s are only a half inch higher due to the larger tire. The ride height is identical to 20” rim equipped trail bosses as both run 33’s. I would expect a slight bump in width such as a 85 or more then likely a 95 will fit without much issues beside extreme suspension articulation. 35’s will not fit on a stock truck.The biggest tire you can fit on a 2021 GMC AT4 running factory stock suspension and rims are a maximum of 34.8-inches. This equates to a 285/75R18 (34.8”) or 285/65R20 (34.6”) with no trimming or rubbing. When choosing tires for a 2020 Chevrolet Silverado 1500 LT Trail Boss, it is important to consider the type of driving that the vehicle will be used for, as well as the specific needs and requirements of the driver. For example, if the 2020 Chevrolet Silverado 1500 LT Trail Boss will be primarily used for city driving, tires with a softer tread ... This how you can make it work: You can opt to use a leveling kit to increase clearance from the Upper Control Arm (UCA). You can also opt to use a 2-inch suspension, which will make the 33-inch tires fit even better while still moving on the stock. So in simpler terms, the 33-inch tire is the biggest you can fit on a Chevrolet Silverado 1500.Oct 30, 2019 · Short video to show that 33 12.50 18 tires fit on a stock trailboss with no lift or level. This guy discovered that running 35 inch tires on his Trail Boss seriously overheated his transmission. You may find that switching to tires of that size will also require re-gearing your final drive. It depends on what your current gearing is. His was geared with a 3.42 rear end. Mine is also a 3.42 for the stock 32 inch 265/70R20 tires..