Vehicle Fitment:
2002-2017 WRX
2004+ STI
Evo 8/9 (2003-2006)

ACT PROLITE FLYWHEEL

From $348.00

Quantity

Lightweight flywheels are a great way to remove rotational mass in the engine which produces faster revs along with more power and performance.
Properly distributed for maximum strength, lower inertia, along with good heat tolerance and rigidity

Precision machined threads

Engineered with the latest CAD and Finite Element Analysis software

Hot-forged Chromoly steel

CNC machined and dynamically computer balanced for super smooth high RPM reliability

Recommended for race applications and can often trigger a CEL

Quickens revs

Improves power

Improves acceleration

Note

If you have a 2005-2009 Legacy GT and are putting in a WRX Clutch you need to use this flywheel.

Performance Tuning