OS Giken Subaru WRX STi GD/GRB STR Twin Plate Clutch overhaul kit B (STR2CD) Initial torque can be adjusted

Initial torque can be adjusted by using thicker / thinner cone springs

The TS2B was designed with Supercharged/Turbocharged engines in mind

The R4C Clutch is specifically designed for vehicles with a significant increase in engine power and torque

Designed for 188mm - Found in E28

Ramps -3/50

OS Giken Subaru WRX STi GD/GRB STR Twin Plate Clutch overhaul kit B (STR2CD) Initial torque can be adjustedThe STR Clutch line up was designed to hold high capacity power while still retaining a relatively light clutch pedal. This technology was driven from our racer's demand for a lighter clutch during long endurance races in Japan. Heavy clutch pedals lead to driver fatigue during long endurance racing. The STR2C Twin plate feature solid hub clutch disks to provide efficient transfer of power while providing reliability and strength under heavy abuse.