Advanced Clutch XACT Flywheel Prolite (600521) PPE_CeramicCoating_3 Extensive testing has shown them

Extensive testing has shown them to outperform the Apexi filter and K&N wet filter

ST1-HDR4 kit features ACT's most popular Heavy Duty pressure plate

ZM8-HDR6 kit features ACT's most popular Heavy Duty pressure plate

4224026 is a 4-pad rigid race disc made with high quality

N021 pressure plate features an exclusive diaphragm design to increase clamp load

Advanced Clutch XACT Flywheel Prolite (600521) PPE_CeramicCoating_3 Extensive testing has shown them600521 is a Prolite flywheel, which is ACT's lighter flywheel offering with lowest inertia. Prolite flywheels are designed for best throttle response and acceleration. Prolite flywheels are preferred for road racing or rally racing, and have reduced drivability. Materials are properly distributed for maximum strength, good heat tolerance and rigidity. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.