The Competition Clutch Stage 2 - Street Series 2100 Clutch Kit provides approximately 80% increase in torque capacity and is properly suited for aggressive street use and moderate track use. The Carbon Kevlar material with its alloy backing matched to a performance pressure plate will provide smooth engagement and extended life. 500 mile break-in highly recommended with this set-up. The 2100 Series kit includes a performance pressure plate, a high torque sprung disc with antiburst steel backed Carbon Kevlar facings, all applicable bearings, and the appropriate alignment tool. PartNumber : comp10048-2100 Description : Street Series 2100 Clutch Kit; FW Reqrs Counter Weight; Purchase Seperatly Part # CW-MZD-03 2008 Mazda RX-8 40th Anniversary Edition R2.1308cc Drivetrain::Clutch Kits - Single 2004-2007 Mazda RX-8 Base R2.1308cc Drivetrain::Clutch Kits - Single 2008 Mazda RX-8 Grand Touring R2.1308cc Drivetrain::Clutch Kits - Single 2005 Mazda RX-8 Shinka R2.1308cc Drivetrain::Clutch Kits - Single 2008 Mazda RX-8 Sport R2.1308cc Drivetrain::Clutch Kits - Single 2008 Mazda RX-8 Touring R2.1308cc Drivetrain::Clutch Kits - Single