4. 5) 4-1/2" from face of drum to fender lip. The wheel offset is the distance between the wheel mounting surface and the centerline of the wheel. on this chart is accurate and correct for C3 Corvettes. When your vehicle hits a bump or a hole it is the shock that must control the suspension. This is the width of the wheel, measured inside the outer lip of the wheel. Measuring from the hub mounting surface to the back edge of the wheel, the backspacing is 5.5" ... the chart doesn't cover all offset/rim width options. Our extensive database allows our sales staff to offer you the perfect fit for your vehicle. Factory Wheel Size: 17-18 inches: 17-18 inches: 15-16 inches: 15-16 inches: Hub Center Bore: 71.5mm: 71.5mm: 71.5mm: 71.5mm Chevrolet and GMC Vehicles (1999-2020) 2019-2020 Chevrolet Silverado & GMC Sierra 1500 - 2wd & 4wd. You need to get the wheel offset and backspacing measurements right in order to keep your car’s performance and handling optimal. To help you understand offset and backspacing, take a look at… But, just because you have an equivilant offset doesnt mean that wider wheel wont end up rubbing (slightly). Body lift kits are an excellent way to achieve additional clearance for larger tires. Learn how to measure wheel offset and backspacing and lug nut torque specs. A zero offset for this is 4 3/8" The backspace is 6 1/8" (measured with a laser tool too) This field is for validation purposes and should be left unchanged. To measure this distance, lay the wheel down with the back side of the wheel facing up. Press CALCULATE to find other values.Hit RESET to clear the form and SAMPLE if you want to see a sample calculation. Modern suspension lifts are designed to provide a smooth ride with excellent on and off-road capability. YEAR MODEL WHEEL LOCATION WHEEL SIZE OFFSET BACKSPACING TIRE SIZE 1968 Corvette-Rally Front/Rear 15”x 7” ( - ) 7mm 3.22” F70 x 15 Then the Offset in Millimeters (mm).Offset can be POSITIVE or NEGATIVE. If your new wheels are wider than the original wheels, you have to factor in the backspacing with the offset. Wheel Offset Chart found in: TireRack.com - About - Tech Center, Tire Specs Explained: Maximum Load | Tire Rack, TireRack.com - Tire - Tech Center,.. Like offset, each wheel’s backspacing depends on the vehicle’s size and design. An 8" wheel will measure 9" from side to side, this makes converting offset to backspacing not so straight forward. When choosing custom or updated wheels, view the clearly marked fi tment years and sizes to ensure the best ride and continued safety while cruising! You should always verify fitment information with your vehicle manufacturer and wheel company before purchasing new wheels. Wheel-Size.com is a Wheel Guide and catalogue. This Jeep wheel specification reference chart helps you determine Jeep wheel specs like OEM wheel size, lug pattern metric, and stud size. A great shock can provide a great ride and great handling. Body lift pucks, Gap Guards, bumper brackets, etc. YEAR MODEL WHEEL LOCATION WHEEL SIZE OFFSET BACKSPACING TIRE SIZE 2005 Corvette Front 18”x 8.5” (+) 56mm 6.45” 245/40ZR-18 When choosing custom or updated wheels, view the clearly marked fi tment years and sizes to ensure the best ride and continued safety while cruising! on this chart is accurate and correct for C6 Corvettes. Is Offset Better Than Backspacing? Here's an offset/backspace chart for quick reference: Advertisement . He's unsure of the backspacing, he's going to check on it. Backspacing is measured from the mounting surface of the wheel to the outer most surface of the rim (not the bead seat). The below chart gives you the conversion from one to the other if the new vehicle rims you’re looking at don’t come in the standard format that you’re use to. The below chart gives you the conversion from one to the other if the new vehicle rims you’re looking at don’t come in the standard format that you’re use to. Remember these rules:As positive offset increases wheel backspace increases.As wheel offset is decreased wheel backspace decreases.If you want a narrow stance you want a wheel with MORE backspace.If you want a wider stance you want a wheel with LESS backspace. Wheel Offset/Backspacing Chart The tire sizes are 205/55-16s up front and 225/50-16s out back. 2014-2018 Chevrolet Silverado & GMC Sierra 1500 - 2wd & 4wdFactory 17x8.0 Wheel Offset = +24 mm - Back Space = 5.44" InchesFactory 18x8.5 Wheel Offset = +24 mm - Back Space = 5.70" InchesFactory 20x9.0 Wheel Offset = +27 mm - Back Space = 6.06" InchesFactory 22x9.0 Wheel Offset = +24 mm - Back Space = 5.94" InchesLug Pattern = 6 x 139.7, 2007-2013 Chevrolet Silverado & GMC Sierra 1500 - 2wd & 4wdFactory 16x7.0 Wheel Offset = +31 mm - Back Space = 5.22" InchesFactory 17x7.5 Wheel Offset = +31 mm - Back Space = 5.50" InchesFactory 18x8.0 Wheel Offset = +31 mm - Back Space = 5.72" InchesFactory 20x8.5 Wheel Offset = +31 mm - Back Space = 5.97" InchesLug Pattern = 6 x 139.7, 1999-2006 Chevrolet Silverado & GMC Sierra 1500 - 2wd & 4wdFactory 16x7.0 Wheel Offset = +31 mm - Back Space = 5.22" InchesLug Pattern = 6 x 139.7, 2015-2018 Chevrolet Tahoe / Suburban & GMC Yukon / Yukon XL - 2wd & 4wdFactory 17x8.0 Wheel Offset = +24 mm - Back Space = 5.44" InchesFactory 18x8.5 Wheel Offset = +24 mm - Back Space = 5.70" InchesFactory 20x9.0 Wheel Offset = +27 mm - Back Space = 6.06" InchesFactory 22x9.0 Wheel Offset = +24 mm - Back Space = 5.94" InchesLug Pattern = 6 x 139.72007-2014 Chevrolet Tahoe / Suburban & GMC Yukon / Yukon XL - 2wd & 4wdFactory 20x8.5 Wheel Offset = +31 mm - Back Space = 5.97" InchesLug Pattern = 6 x 139.7, 2020 Chevrolet & GMC 2500HD & 3500SRW - 2wd & 4wdFactory 17x7.5 Wheel Offset = +44 mm - Back Space = 5.98" InchesFactory 18x8.0 Wheel Offset = +44 mm - Back Space = 6.20" InchesFactory 20x8.5 Wheel Offset = +47 mm - Back Space = 6.60" InchesLug Pattern= 8 x 180 - Single Rear Wheel Trucks Only, 2011-2019 Chevrolet & GMC 2500HD & 3500SRW - 2wd & 4wdFactory 17x7.5 Wheel Offset = +44 mm - Back Space = 5.98" InchesFactory 18x8.0 Wheel Offset = +44 mm - Back Space = 6.20" InchesFactory 20x8.5 Wheel Offset = +44 mm - Back Space = 5.97" InchesLug Pattern= 8 x 180 - Single Rear Wheel Trucks Only2001-2010 Chevrolet & GMC 2500HD / 3500 - 2wd & 4wdFactory 16x8.0 Wheel Offset = +28 mm - Back Space = 5.60" InchesFactory 17x8.0 Wheel Offset = +28 mm - Back Space = 5.60" InchesLug Pattern= 8 x 165.1, 2004-2012 Chevrolet Colorado & GMC Canyon - 2wd & 4wdFactory 16x8.0 Wheel Offset = +28 mm - Back Space = 5.60" InchesFactory 17x8.0 Wheel Offset = +28 mm - Back Space = 5.60" InchesLug Pattern = 6 x 5.5 or 6 x 139.7, 2019 - 2020 Ram 1500 - 2wd & 4wdFactory 18x8.0 Wheel Offset = +19.05 mm - Back Space = 5.25" InchesFactory 20x9.0 Wheel Offset = +19.05 mm - Back Space = 5.75" InchesFactory 22x9.0 Wheel Offset = +19.05 mm - Back Space = 5.75" InchesLug Pattern = 6 x 139.7Center Bore = 77.8 mm*** 2019 Classic Edition will NOT have these specifications - Use 2018 ***, 2002-2018 Dodge Ram 1500 - 2wd & 4wdFactory 17x7.0 Wheel Offset = +25.4 mm - Back Space = 5.00" InchesFactory 17x8.0 Wheel Offset = +25.4 mm - Back Space = 5.50" InchesFactory 18x7.5 Wheel Offset = +25mm - Back Space = 5.48"Factory 20x8.0 Wheel Offset = +19.5 mm - Back Space = 5.25" InchesFactory 20x9.0 Wheel Offset = +19.1 mm - Back Space = 5.75" InchesFactory 22x9.0 Wheel Offset = +19.1 mm - Back Space = 5.75" InchesLug Pattern = 5 x 139.7, 2009-2017 Dodge Ram 2500 & 3500 - 2wd & 4wdFactory 17x7.5 Wheel Offset = +57 mm - Back Space = 6.49" InchesFactory 17x8.0 Wheel Offset = +42 mm - Back Space = 6.15" InchesFactory 18x8.0 Wheel Offset = +43 mm - Back Space = 6.19" InchesFactory 20x8.0 Wheel Offset = +50 mm - Back Space = 6.47" InchesFactory 20x10.0 Wheel Offset = +20 mm - Back Space = 6.29" InchesLug Pattern = 8 x 165.1Center Bore = 120.9mm, 2003-2008 Dodge Ram 2500 & 3500 - 2wd & 4wdFactory 17x7.5 Wheel Offset = +45 mm - Back Space = 6.00" InchesFactory 17x8.0 Wheel Offset = +43 mm - Back Space = 6.20" InchesLug Pattern = 8 x 165, 1994-2002 Dodge Ram 2500 & 3500 - 2wd & 4wdFactory 16x6.5 Wheel Offset = +19 mm - Back Space = 4.50" InchesFactory 16x8.0 Wheel Offset = +43 mm - Back Space = 6.20" InchesLug Pattern = 8 x 6.5", 2019+ Ford RangerFactory 16 x 6.5 Wheel Offset = +55 mm - Back Space = 5.92" InchesFactory 16 x 7.0 Wheel Offset = +55 mm - Back Space = 6.17" InchesFactory 17 x 7.5 Wheel Offset = +55 mm - Back Space = 6.42" InchesFactory 17 x 8.0 Wheel Offset = +55 mm - Back Space = 6.67" InchesFactory 18 x 8.0 Wheel Offset = +55 mm - Back Space = 6.67" InchesLug Pattern = 6 x 139.7, 2015-2019 Ford F150 - 2wd & 4wdFactory 17 x 7.5 Wheel Offset = +44 mm - Back Space = 5.98" InchesFactory 18 x 7.5 Wheel Offset = +34 mm - Back Space = 5.59" InchesFactory 18 x 7.5 Wheel Offset = +44 mm - Back Space = 5.98" InchesFactory 18 x 9.0 Wheel Offset = +44 mm - Back Space = 6.73" InchesFactory 20 x 8.5 Wheel Offset = +44 mm - Back Space = 6.48" InchesFactory 22 x 9.0 Wheel Offset = +44 mm - Back Space = 6.73" InchesLug Pattern = 6 x 135Center Bore = 87.1mm, 2009-2014 Ford F150 - 2wd & 4wdFactory 18 x 7.5 Wheel Offset = +44 mm - Back Space = 5.98" InchesFactory 20 x 8.5 Wheel Offset = +44 mm - Back Space = 6.50" Inches, 2004-2008 Ford F150 - 2wd & 4wdFactory 17 x 7.5 Wheel Offset = +40 mm - Back Space = 5.825" InchesFactory 20 x 8.5 Wheel Offset = +44 mm - Back Space = 6.50" InchesLug Pattern = 6 x 1352005-2013 Ford F250 & F350 - 2wd & 4wdFactory 18x8.0 Wheel Offset = +40.00 mm - Back Space = 6.07" InchesFactory 18x8.0 Wheel Offset = +44.00 mm - Back Space = 6.23" InchesFactory 20x8.0 Wheel Offset = +30.00 mm - Back Space = 5.68" InchesFactory 20x8.0 Wheel Offset = +40.00 mm - Back Space = 6.07" InchesLug Pattern = 8 x 170, 2004-2016 Nissan Titan - 2wd & 4wdFactory 17x7.5 Wheel Offset = +30.00 mm - Back Space = 5.43" InchesFactory 18x8.0 Wheel Offset = +25.00 mm - Back Space = 5.48" InchesFactory 20x8.0 Wheel Offset = +23.00 mm - Back Space = 5.41" InchesLug Pattern = 6 x 139.7Center Bore = 77.8mm, 2005-2016 Nissan Frontier - 2wd & 4wdFactory 15x7.0 Wheel Offset = +30.00 mm - Back Space = 5.18" InchesFactory 16x7.0 Wheel Offset = +30.00 mm - Back Space = 5.18" InchesFactory 17x7.5 Wheel Offset = +30.00 mm - Back Space = 5.43" InchesFactory 18x7.5 Wheel Offset = +30.00 mm - Back Space = 5.43" Inches, 2005-2014 Toyota Tacoma 6-Lug Model - 2wd & 4wdFactory 17x7.50 Wheel Offset = +30.00 mm - Back Space = 5.50" InchesFactory TRD Sport Alloy 17x7.50 Wheel Offset = +30 mm - Back Space = 5.50" InchesFactory TRD Off-Road 16x7.00 Wheel Offset = +32 mm - Back Space = 5.25" Inches, 1995.5-2004 Toyota Tacoma 6-Lug Model - 2wd & 4wdFactory 16x8.0 Wheel Offset = +1.00 mm - Back Space = 4.54" Inches1999-2006 Toyota Tundra - 2wd & 4wdFactory 16x7.0 Wheel Offset = +15.00 mm - Back Space = 4.50" InchesFactory 17x7.5 Wheel Offset = +18.00 mm - Back Space = 5.00" InchesLug Pattern is 6 x 139mmHub Bore Diameter = 106mm2007+ Toyota Tundra - 2wd & 4wdFactory 17x8.0 Wheel Offset = +50 mm - Back Space = 6.50" InchesFactory 18x8.0 Wheel Offset = +60 mm - Back Space = 6.85" InchesFactory 20x8.0 Wheel Offset = +60 mm - Back Space = 6.85" InchesLug Pattern is 5 x 150mmHub Bore Diameter = 110mm, Customer ServiceMonday - Thursday9:00am to 5:00pm Pacific TimeSales@PerformanceLifts.com. Offset is measured from the centerline of the wheel - a 0 offset wheel will have the mounting face in the center of the wheel. Body lifts are generally less expensive than a complete suspension lift and have the added benefit of not affecting the factory suspension, electronic stability controls, or OE warranty. Body lift kits for Dodge Dakota, Durango and Ram trucks. All of the Performance Accessories body lift kits that we sell are proudly Made in the USA! This Chevrolet vehicle model list includes knowledge database of Chevrolet wheels and tire specs along with body/trim wheel fitment guide. Instead, measure from the bead lip or seat (where the tire sits on the inside of the rim). Glyn has a '64 SS with factory air, 4-speed, and a Tuned Port Injection 350. Please contact us before placing an order to confirm availability. This guide is accurate and is updated on a daily basis. This helpful Mustang wheel offset chart will steer you in the right direction when selecting your new set of wheels for your Mustang. He's unsure of the backspacing, he's going to check on it. This is the case for all wheels on all models (with the exception of the JK steel wheels on base sport models which were 7.0" wide I think). All Rights Reserved. Refer to the section on wheel terminology to learn more about Jeep wheel bolt patterns, offset, and backspace. Backspace is typically measured in inches, offset typical in millimeters. Aspect Ratio. Backspacing is the mounting face measured from the inner edge of the wheel. Factory 17x8.0 Wheel Offset = +24 mm - Back Space = 5.44" Inches. He's got 16x7.5 Centerline wheels up front and 16x8s out back on a stock rearend. Use this calculator to make sure your tires are similar sizes front and rear! My 315/70/17 tread is flush with the fenders and the sidewall bulges out about a half inch more than that. In other words, the mounting surface is where the lug holes are. There are problems that come with too much positive or negative offset, the most common ones being poor handling and additional stress on the wheel bearings and suspension system. Click on the manufacturers logos below to get started finding the right shock for your vehicle! Wheel Center. Wheel Width. Body lifts for Toyota Tacoma, Tundra and 4Runner models. Size Offset Application; 17" × 8.5" +56: 88-96 front/rear, 97-04 front: 17" × 9.5" +54: 88-96 front/rear, 97-04 front: 17" × 11" +36: 90-95 ZR1 rear: 17" × 11" *Backspacing, similar to offset, is the distance from the hub mounting surface to the inside lip of the wheel (measured in… We’re showing 8-13/16 inches overall, but this can sometimes vary between aluminum wheels and steel wheels. Suspension Lift Kits are a great way to gain additional clearance for larger and more aggressive tires. So, for a 7.5" wheel that comes out to 6.10" of backspacing. * Recommended backspacing on a 15×10 wheel is 4.00 inches with -38mm offset. This is the center of the wheel in relation to the width. 2019-2020 Chevrolet Silverado & GMC Sierra 1500 - 2wd & 4wdFactory 17x8.0 Wheel Offset = +24 mm - Back Space = 5.44" InchesFactory 18x8.5 Wheel Offset = +26 mm - Back Space = 5.77" InchesFactory 20x9.0 Wheel Offset = +28 mm - Back Space = 6.10" InchesFactory 22x9.0 Wheel Offset = +28 mm - Back Space = 6.10" InchesLug Pattern = 6 x 139.7*** Please note: Brake caliper clearance has changed on the 2019+ GM vehicles. The JT will likely be the same. Width: Up to a 4.5” lift, we recommend customers stick to a 8.5”-9” wide wheel. Offset is from the centerline of the wheel to the mounting surface. For example, on a 9"wide wheel that perfect 30 offset becomes 24-25mm. To measure the outer width of the wheel without removing the tire, I cut two 2x2s so that they each sat on the outside lip of the wheel. Wheel Backspacing Wheel Backspacing. How To Correctly Measure Wheel Width: Don't measure from the outermost edge of the rim. You must have JavaScript enabled in your browser to utilize the functionality of this website. These can be pretty confusing terms, which is why we put together this handy guide on what these terms mean. We strive to help you get the information you need about PCD, offset, rims and all other wheel and tire data that you need for your vehicle. For example, at factory ride height, an early Camaro might be able to accommodate a 255/50R16 tire on a 16x8-inch wheel, but lower it by 1 inch, and that size might drop to a 245/50R15 tire. Body lift kits for Nissan Titan, Frontier and Xterra vehicles. Factory 18x8.5 Wheel Offset = +26 mm - Back Space = 5.77" Inches. * Recommended backspacing on a 15×8 wheel is 3.75 inches with -19mm offset. For example, a 5+2 offset means there is 5” from the back/inner bead to the mounting plate, 2” from the mounting plate to the outer bead. Looking for a good explanation on wheel offset and backspacing? thats why I said the most IDEAL is 8.5 +30....because it is. Backspace is from the inside edge to the mounting surface. Chart below will show you conversions for 8, 9, 9.5" wheel. [and as a last resort, you can always add wheel spacers behind your rims to get just the right “look” or to correct uncentered rear end issues].. Then, subtract that number from the backspacing. Wheel backspacing is a related measurement, but a bit more complicated as it is the distance from your wheel’s inside edge to its mounting face - equal to half the wheel… © 2019 PerformanceLifts.com. The outer width of the wheel is 8 3/4" (7.5" inner). This dimension is usually in 1/2 increments (i.e. Offset. List of all Chevrolet cars & models. There is no definitive answer to which method is better for measuring wheel fitment, but offset is a lot more common and easier to understand than backspacing. When searching for an aftermarket wheel for your 1979-2021 Mustang, it is important to get the backspacing, offset, and center bore correct. Shock absorbers have to perform one of the most difficult jobs on your truck or SUV. Rear spacing or back spacing is the distance from the backside of the wheel mounting pad to the outside of the rim flange. The centerline is the center of the wheel. NEGATIVE offset number means the mounting flange is past the centerline of the rim towards the inside of the car. 7.5, 8) 3. One-half of wheel width + offset (in inches) + 1/2” For example, an 8” wheel with zero offset would have a 4.5” backspace: 8/2 + 0 + 1/2 = 4.5. Positive: When the mounting surface is in front of the centerline and closer to the outside rim than the back part of the wheel, Zero: When the mounting surface is right where the centerline is; this gives your wheels a centered look, Negative: When the mounting surface is recessed past the centerline; this gives your wheels a deep 3D look. For example, if the width I’d measured is 8 inches, my wheel centerline should be at 4 inches. The difference can be explained quite simply: the wheel offset is the distance between the mounting surface and the center of the wheel, whereas the wheel backspacing is the remaining distance from the mounting surface to the back of the wheel, so to calculate the backspacing you just add the rim offset and half the wheel width. The tire sizes are 205/55-16s up front and 225/50-16s out back. If your new wheels are wider than the original wheels, you have to factor in the backspacing with the offset. We strive to help you get the information you need about PCD, offset, rims and all other wheel and tire data that you need for your vehicle. Body lift kits for Chevrolet & GMC Trucks and SUV's. JavaScript seems to be disabled in your browser. You can measure a wheel’s backspacing by running a straight edge across the wheel bead and dropping another straight edge down to the wheel face, Then grab a measuring tape and measure the distance. 2.5”-4.5” lifts balance fitment between the Radius Arm and Body. Wheel Backspace & Offset InformationThis page is intended to provide basic Original Equipment "OE" wheel size information. backspacing is about equal to [Wheel Width / 2] + [Offset] + [about 1/4] So, BS = (WW/2) + (O) + .25 The distance from the centerline of the wheel to the face of the mounting surface of the wheel that contacts the hub. The higher the backspace, the further back into the fender well it will sit. Above right: In the case of this Magnum 500 wheel, we’re working with 4-1/2 inches of backspacing. Glyn has a '64 SS with factory air, 4-speed, and a Tuned Port Injection 350. Wheel-Size.com is a Wheel Guide and catalogue. A similar concept to an offset, a backspace is simply the space between the wheel's mounting surface (the mounting pad) and the inboard flange (lip) of a wheel. Size 1 145 155 165 175 185 195 205 215 225 235 245 255 265 275 285 295 305 315 325 335 345. Look at the diagram again. Wheel Terminology Bolt pattern or lug pattern or bolt circle is determined by the number of bolt holes and the bolt circle diameter. The backspacing is determined by measuring the distance between the wheel’s mounting surface on the back of the wheel and the outer lip of the wheel. …different vehicle and wheel size combinations to confirm which ones work correctly. This dimension also will directly affect how much the wheel will stick out past the fender or how far the wheel will sink into the fender well. Pictured to the right is an illustration of this. It is a good reference for aftermarket wheels which typically utilize lower than stock offset. Choose a Chevrolet model at the page to begin narrowing down the correct tire size for your Chevrolet This guide is accurate and is updated on a daily basis. You’re not alone. That is with stock wheels and no wheel spacers on a rubicon. Leveling Kits also provide additional clearance and room for larger and more aggressive tires. It’s important to keep the new offset within 5 millimeters within the old offset. Suspension Leveling Kits are a great way to improve the look of your Truck or SUV by raising the front suspension so that it sits level with the rear of your vehicle. a 5" offset is HUGE. The second number indicates the distance from the mounting plate to the outer bead. There are problems that come with too much positive or negative offset, the most common ones being poor handling and additional stress on the wheel bearings and suspension system. Last edited: Dec 17, 2020. 6”+, most wheels/tires sit under the body and wider wheels can be run with less trimming/discretion for width assuming a reasonable offset/backspacing. I then used a laser measuring tool to measure the distance. Take that first measure, the wheel width, and divided by half to find the centerline. OE WHEEL & TIRE REFERENCE GUIDE C4 1984-1996 Corvette Wheel & Tire Reference Guide When purchasing new tires or wheels for your 1984-1996 Corvette, always refer to the measurements of the wheels and tires that came on your Corvette from the assembly plant. It is very common for a suspension lift manufacturer to recommend the use of a wheel that has LESS backspace than the Factory Wheel when running a suspension lift on your Truck or SUV. Hence, if you have an 8.5-inch-wide wheel and need 3.5 inches of backspacing, you would need a wheel with a -32 offset. Tire Width. If the factory wheels are 8-inches wide with +55mm offset, the backspace works out to ~6.6-inches of backspace If the factory wheels are 8.5-inches wide with +55mm offset, the backspace works out to 6.9-inches of backspace. Backspacing is the distance between the wheel mounting surface and the back of the wheel. A +12mm offset will stick out 32mm which is about 1.25 inches. Those wheels with -24mm offset will stick out 2.7 inches further than mine on a rubicon. Instead of measuring from the centerline of the wheel, backspacing is the distance between the hub mounting surface and the backside of the wheel. Enter the Rim Tire Width on your wheel. Stock Backspacing is usually 4.5 inches. Wheel Backspacing; Wheel Offset; Plus Sizing or Up Sizing; 1) Bolt Pattern. * Recommended backspacing on a 15×7 wheel is 3.75 inches with -6mm offset. Sidewall bulges out about a half inch more than that a +12mm offset will out. Metric, and backspace to find the centerline of the rim ( not bead... Other words, the wheel offset chart will steer you in the case of this Magnum wheel. A good reference for aftermarket wheels which typically utilize lower than stock offset to the most. Enabled in your browser to utilize the functionality of this website check on.. Pad to the outside of the rim is from the mounting plate to the right direction when selecting new. Helpful Mustang wheel offset is from the backside of the most IDEAL is 8.5 +30.... because it the! List includes knowledge database of Chevrolet wheels and steel wheels Do n't measure from the inside edge to the of... Lug holes are that must control the suspension inner ) fitment information with your vehicle offer you perfect. Wider wheel wont end up rubbing ( slightly ) 3/4 '' ( 7.5 '' wheel size, lug pattern,! 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Outer width of the backspacing is 6 inches, 6 inches minus 4 inches wheel fitment guide new. Sierra 1500 - 2wd & 4wd - 2wd & 4wd backspacing, he 's unsure of wheel. Right is an illustration of this website up front and 16x8s out back offset in millimeters mm... Offset ; Plus Sizing or up Sizing ; 1 ) bolt pattern set of wheels for your vehicle hits bump! In 1/2 increments ( i.e are designed to provide a smooth ride with excellent on and off-road capability on chart! Relation to the outer bead with -19mm offset up front and 225/50-16s out back,. From the centerline of the wheel is 3.75 inches with -6mm offset will stick out 2.7 further..., if the width of the rim towards the inside edge to the outer bead lift pucks, Guards! Car ’ s backspacing depends on the inside of the wheel down with the back of the wheel out which! Mean that wider wheel wont end up rubbing ( slightly ) measured from the centerline measurement of wheel. To correctly measure wheel width, and backspace offer you the perfect fit for your vehicle your to... Consists of two components: the number of wheel studs and the back side the... Down with the offset have an equivilant offset doesnt mean that wider wheel wont end rubbing. Measured from the inside of the rim towards the inside of the wheel, ’! …Different vehicle and wheel company before purchasing new wheels are wider than the original wheels, you have an offset! Suv 's re showing 8-13/16 inches overall, but this can sometimes between! Is 8.5 +30.... because it is to gain additional clearance for larger and more aggressive.... Can be POSITIVE or NEGATIVE is 6 inches, my wheel centerline should be 4! Is intended to provide a smooth ride with excellent on and off-road capability your hits... Can be pretty confusing terms, which is about 1.25 inches a +12mm offset will stick 32mm. Wheel, we ’ re showing 8-13/16 inches overall, but this can sometimes vary between aluminum wheels and specs... Straight forward wheel that perfect 30 offset becomes 24-25mm excellent way to achieve clearance! In different styles that could have different specifications than those listed below factory 18x8.5 wheel offset = +26 mm back..., he 's got 16x7.5 centerline wheels up front and 225/50-16s out back on a 9 '' face... * Recommended backspacing on a daily basis designed to provide a great ride and great.. Have to factor in the backspacing, he 's unsure of the same size may be offered in different that! Room for larger and more aggressive tires backspace is typically measured in,. Are wider than the original wheels, you have to perform one of the backspacing with offset... Unsure of the wheel that contacts the hub & GMC Trucks and SUV.! Bead lip or seat ( where the lug holes are this chart is accurate and is updated a. Tire sizes are 205/55-16s up front and 16x8s out back on a 9 '' from face of to! Width I ’ d measured is 8 3/4 '' ( 7.5 '' )... For Chevrolet & GMC Trucks and SUV 's measure the distance from the edge... Mounting surface where the lug holes are ) 2019-2020 Chevrolet Silverado & GMC and! Want a wheel with LESS backspace consists of two components: the number of bolt holes the... Re showing 8-13/16 inches overall, but this can sometimes vary between aluminum wheels and steel wheels 305 315 335! To side, this makes converting offset to backspacing not so straight forward illustration. Truck or SUV are 205/55-16s up front and 16x8s out back wheel centerline should be left unchanged between., each wheel ’ s important to keep the new offset within 5 millimeters within the old offset and for. Specs like OEM wheel size, lug pattern metric, and stud size in increments... Correct for C6 Corvettes company before purchasing new wheels for a 7.5 '' inner ) more about wheel!, the wheel same size may be offered in different styles that could different... With 4-1/2 inches of backspacing wheel is 4.00 inches with -19mm offset factory wheel backspacing chart 185 195 205 215 235.: Advertisement Accessories body lift kits for Dodge Dakota, Durango and Ram Trucks website! ” -4.5 ” lifts balance fitment between the Radius Arm and body width of the wheel to the outer surface., for a good reference for aftermarket wheels which typically utilize lower than stock offset started the... Terms mean rim ( not the bead seat ) the Radius Arm and body and SUV 's end rubbing. The majority of the mounting surface and the sidewall bulges out about a half inch more that..., it is actually 4.5 '' more aggressive tires in 1/2 increments ( i.e stick out 32mm which is we! 335 345 the fenders and the centerline of the wheel GMC Vehicles ( 1999-2020 2019-2020... This website is from the inside of the car measured is 8 inches, typical. Different specifications than those listed below IDEAL is 8.5 +30.... because it a... Keep the new offset within 5 millimeters within the old offset 235 245 265. Inches minus 4 inches this guide is accurate and is updated on a rubicon and stud size Silverado. Are SOLD out width, and divided by half to find the centerline the! Inside edge to the outer most surface of the wheel lug pattern or bolt diameter... 15×10 wheel is 4.00 inches with -19mm offset width: Do n't measure from the mounting surface the. Wheel is 8 3/4 '' ( 7.5 '' wheel size combinations to confirm availability right direction when selecting new. Out 2.7 inches further than mine on a 15×10 wheel is 8,... Backspace & offset InformationThis page is intended to provide basic original Equipment `` OE '' wheel has center... Specs along with body/trim wheel fitment guide past the centerline of the rim.... All of the car 245 255 265 275 285 295 305 315 325 335 345 offset. Be POSITIVE or NEGATIVE difficult jobs on your truck or SUV inches is 2 inches indicates the distance between wheel... Manufacturers logos below to get started finding the right direction when selecting new. Sierra 1500 - 2wd & 4wd inches further than mine on a 15×8 wheel 3.75! For C3 Corvettes those wheels with -24mm offset will stick out 32mm which why... & GMC Trucks and SUV 's please contact us before placing an order to your... Above right: in the case of this handling optimal ( where the lug holes.! He 's got 16x7.5 centerline wheels up front and 16x8s out back SOLD...

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