Advanced Clutch XACT Flywheel Prolite (600521) PPE_CeramicCoating_1 Z61-XTSS kit features an Xtreme

Z61-XTSS kit features an Xtreme pressure plate for the most demanding driver

6224210 is a 6-pad spring-centered race discs made with high quality ceramic friction materials

4224218 is a 4-pad spring-centered race disc made with high quality

TY3-XTG4 kit features an Xtreme pressure plate for the most demanding driver

They are also a great protection against corrosion

Advanced Clutch XACT Flywheel Prolite (600521) PPE_CeramicCoating_1 Z61-XTSS kit features an Xtreme600521 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.