ACT Heavy Duty Performance Street Sprung Clutch Kit 1984-pontiac-firebird-esi1382254 The 350 lb springs are

The 350 lb springs are ideal for small block cruising or drag racing with moderate weight reduction

2521 - 2008-2009 Pontiac G8

the SB008 is cold formed to better resist torsional fatigue and retain its "memory" far longer than the hot-formed bars used by many competitors

This 100% bolt-on kit use existing bolt holes and hardware

Since their introduction

ACT Heavy Duty Performance Street Sprung Clutch Kit 1984-pontiac-firebird-esi1382254 The 350 lb springs areFM6 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