6.2L Hellcat / Trackhawk / TRX Transmission Upgrades

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Transmission Upgrades for the 6.2L Hellcat / Trackhawk / TRX The 6.2L Hellcat family features a supercharged Gen III Hemi engine known for its extreme power output, ranging from 707 to 840 horsepower. Found in vehicles like the Challenger Hellcat, Charger Hellcat, Jeep Trackhawk, and Ram TRX, these engines demand transmission components that can handle intense torque and boost pressures without compromise. In this collection, you’ll find transmission upgrades specifically engineered to support the high-output nature of the Hellcat platform. From heavy-duty clutches and torque converters to reinforced gear sets and shift kits, these parts improve reliability, shift quality, and overall drivetrain capability under extreme conditions. Proper transmission upgrades help you maximize power delivery while protecting your investment during aggressive street driving or track use. Key transmission upgrade options include: - Heavy-duty clutch assemblies and plates - Upgraded torque converters for better lockup - Reinforced internal gears and shafts - Performance shift kits for quicker, firmer shifts - Cooling components to manage transmission heat Shop 6.2L Hellcat / Trackhawk / TRX transmission upgrades at FastHemis.