OS Giken Acura NSX STR Twin Plate Clutch overhaul kit B (STR2C) These units are typically good

These units are typically good up to 650lbs ft of torque depending on the application

Toyota Supra JZA70 - R154 Gearbox

Designed for 188mm - Found in E36 M3 (14mm Ring Bolts)

When replacing an open diff

OS Giken Acura NSX STR Twin Plate Clutch overhaul kit B (STR2C) These units are typically goodThe 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.