ACT 1991 Mazda Miata XT/Perf Street Sprung Clutch Kit 1997-gmc-c1500-sierra-gt-esi9417487 The muffler contains Polyphonic Harmonizer

The muffler contains Polyphonic Harmonizer technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

01mm Trimetal Oversized Main Bearing Set

it's designed with contours engineered to flow seamlessly with the rear end - including the large Raptor fender flares

DN4-XTSD kit features an Xtreme pressure plate for the most demanding driver

ACT 1991 Mazda Miata XT/Perf Street Sprung Clutch Kit 1997-gmc-c1500-sierra-gt-esi9417487 The muffler contains Polyphonic HarmonizerZM2 XTSS kit features an Xtreme pressure plate for the most demanding driver. ACT Xtreme pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four stage, heat treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance street discs are the most popular disc purchased. They