ACT Flywheels | Products ~ ACT / Performance Clutch Kits, Clutches and Flywheels

Most stock flywheels are heavy cast iron and are designed for optimum drivability by storing some of the engine’s power in the form of inertia. Light flywheels provide significantly improved engine response and acceleration by compromising drivability. Xact flywheels are designed for improving engine response, strength and affordability.

2005

SUBARU

IMPREZA WRX STI

H4 2.5L T FI (EJ257)

600240

$468.78

Prolite / 11.1 lbs.

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

600235

$436.00

Streetlite / 15.0 lbs.

- Preferred for Street and Drag Racing
- Improved throttle response and acceleration
- Considerably lighter than stock
- Most durable flywheel available
- Good drivability