OS Giken - GTS2CD 215 MM Aluminum Cover Twin Plate w/Softer Diaphragm (BNR3 (MACTP211)Twin Plate w Softer Diaphragm (dampened) : release sleeve assembly included (BNR32 before minor change only, Pre May \'93) Aluminum Cover Material, 215 MM Disk, push type clutch GTS2CD: 215mm twin plate, dampened hubs, with "soft" cover (pedal pressure very close to or lighter than stock, recommended for cars up to around 500hp) Fits RB26DETT The STR clutches (red cover) were designed for the daily driver type who likes to go to the track on weekends;