OS Giken STR Series Dampened Twin Plate w/Soft Diaphragm Clutch - Fits 2004-2011 Subaru STI GDB/GRB 6spd subaru-forester-2006 This product restores and maintains

This product restores and maintains hard plastic

Each Invidia Downpipe features a large 4" Stainless Steel bellmouth to enhance power by freeing excess gas

Disc Outer Diameter: 9 1/2" (240mm)

2001 Subaru Outback VDC

Parker 919 stainless steel / TFE construction

OS Giken STR Series Dampened Twin Plate w/Soft Diaphragm Clutch - Fits 2004-2011 Subaru STI GDB/GRB 6spd subaru-forester-2006 This product restores and maintainsThe 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 STR2CD Twin plate dampened clutches give some forgiveness to the transmission by absorbing drivetrain shock while providing reliability and strength