OS Giken Toyota JZA70 Supra R Quad Plate Clutch overhaul kit A (R4C) The dampened hub clutch discs

The dampened hub clutch discs are 215mm in size and are good up to about 800lbs ft of torque reliably

Our OS Giken Release Sleeve Assemblies are designed specifically for our clutches

Lock Timing - 448

Reuses Factory 10mm Bolts

OS Giken Toyota JZA70 Supra R Quad Plate Clutch overhaul kit A (R4C) The dampened hub clutch discsThe R Clutch series line up is our highest capacity clutch and is specifically designed for vehicles with a significant increase in engine power. Our unique floating center hub design is built to withstand transmission shock and abuse from high powered racecars. The R4C Clutch is specifically designed for vehicles with a significant increase in engine power and torque. It is capable of handling up to 1400lbs ft of torque and immense amounts of heat.