XACT Prolite flywheels are ACT’s lightest 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, lower inertia, good heat tolerance and rigidity. XACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts.

ACT Prolite Flywheel Features:

- Preferred for Road Racing or minimum inertia
- Quick throttle response and acceleration
- Lightest with lowest inertia
- Reduced drivability