ACT Perf Street Rigid Disc - 3000311 BMW 135 and EFI systems that use

and EFI systems that use feedback control to auto-tune

AR1-SPSS kit features a Sport pressure plate for a nice upgrade

short body design (65mm length) with mounting hooks also makes it ideal in universal applications that have fuel tanks with tight tolerances

Black anodized for long lasting finish

3000108 is a performance street disc and the most popular disc purchased

ACT Perf Street Rigid Disc - 3000311 BMW 135 and EFI systems that use3000311 is a street rigid disc featuring premium organic materials with high copper content for better heat transfer and steel backed lining for greater burst strength and durability. These discs are modified with reduced marcel for faster shift action to complement ACT pressure plates. The chrome moly hub is heat treated for strength and durability. Rivet design and materials are carefully selected for maximum strength. Lightweight, solid hub design