Heavy Duty Clutch Kit Performance Street Disc Pontiac Gto 2004-2004 V8 ACT heavy-duty clutch kits offer a clamp load increase of 20 to 50 percent, increasing torque capacity. The pedal feels stock to moderate with these clutches. Many are SFI-certified to ensure safety. Heavy Duty Clutch Kit Performance Street Disc (SS) Must Use A Flat Flywheel For LS2, Components GM015, 3000909, ATGM026 Torque Capacity 725 ft/lbs Clamp Load Increase 52 Must Use A Flat Flywheel Torque Capacity 725 ft/lbs Clamp Load Increase 52 Torque Capacity 725 ft/lbs Clamp Load Increase 52 Must Use A Flat Flywheel Torque Capacity 725 ft/lbs Clamp Load Increase 52