ACT Heavy Duty Performance Street Sprung Clutch Kit 1999 Pontiac Firebird meaning there is zero change

meaning there is zero change in NVH

The factory arms also don't allow for proper camber correction on lowered vehicles

designed for drivers who want strong performance—on the track or on the drift course—without paying a premium price

but they also allow an experienced chassis tuner to utilize the increased adjustment range to achieve a more performance-oriented alignment

ACT Heavy Duty Performance Street Sprung Clutch Kit 1999 Pontiac Firebird meaning there is zero changeFM6 HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty 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 feature premium