For full performance upgrades, see our Challenger Mods.
The 2021 Dodge Challenger SRT Hellcat is built on the LC platform with a 5x115mm bolt pattern and 71.5mm hub bore — a bolt pattern specific to Dodge/Chrysler muscle platforms and not interchangeable with Ford (5x114.3mm) or Chevrolet (5x120mm) fitments. This page covers 20x9.5 / 20x10.5 wheels with 275/40R20 / 305/35R20 tires in the +35 to +45mm offset range. Critical: if your 2021 Challenger SRT Hellcat is equipped with the Widebody package, the optimal offset range on this page will differ from your fitment requirement. The Widebody Challenger adds 3.5 inches of fender flare width per side, which accommodates up to 305mm section width at the front and creates a dramatically different offset target. Standard-body Hellcats target the +35 to +45mm range shown here. Widebody cars typically run +18 to +25mm to properly fill the flares without the wheel sitting recessed in the opening. Ordering to the standard-body spec on a Widebody car will result in a wheel that appears sunken inside the flare — functionally fine but visually incorrect and potentially affecting aero balance on hard cornering. The LC platform has a notably wide front track relative to its wheelbase, which means aggressive negative camber setups will eat the outside shoulder of front tires faster on street-driven cars. For the 275/40R20 / 305/35R20 front tire on a 20x9.5 / 20x10.5 wheel, running at manufacturer-specified inflation pressure is critical — the large supercharged engine's weight biases heavily toward the front axle, and underinflation compounds tire shoulder wear. Rear fitment on the Challenger is straightforward compared to the front: the live rear axle accepts wide tire packages without the caliper constraint, but confirm wheel well clearance at full compression since the Hellcat's performance spring rates still allow significant travel under road impact loads.
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More Dodge fitment options for your build
2011 Dodge Challenger SRT Hellcat
275/40R20 / 305/35R20
2010 Dodge Challenger SRT Hellcat
275/40R20 / 305/35R20
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