ACT ProLite Flywheel 2002-2005 WRX

The ACT 600170 Prolite Flywheel is ACT's lightweight, low-inertia flywheel engineered for maximum throttle response and acceleration. Ideal for road racing or rally applications, Prolite flywheels are designed to reduce rotational mass, providing quicker engine revs while maintaining strength and rigidity. Materials are precisely distributed for optimal heat tolerance and durability. This one-piece flywheel is fully serviceable and can be resurfaced without the need for additional parts. Specifications & Features: Type: Prolite, low-inertia flywheel Purpose: Optimized for throttle response, acceleration, and race use Materials: Heat-treated forging for strength; induction-hardened ring gear for long life Construction: One-piece design for uniform heat transfer, reduced risk of warping, and improved reliability Feel: Dramatically improved engine response with mild to moderate gear rattle Recommended Use: Road racing, rally racing, or track-focused applications ACT Difference