ACT Prolite Flywheel - 06-18 Subaru WRX, 05-12 Legacy GT, 06-08 Forester XT - 600475 Sensors HC5-SPR4 kit features a Sport

HC5-SPR4 kit features a Sport pressure plate for a nice upgrade

TC6-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc

*NOTE: This is a conversion kit

These replace the OEM Valve Cover Seals (plastic half moons) that are prone to leaking and failure over time

the voltage output is incredibly smooth and consistent

ACT Prolite Flywheel - 06-18 Subaru WRX, 05-12 Legacy GT, 06-08 Forester XT - 600475 Sensors HC5-SPR4 kit features a Sport600475 is a Prolite flywheel, which is ACTs 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.