Single mass flywheel conversion. Can be used with both factory clutch kit and ACT clutch kits. Gear rattle is expected.

Dramatically improved engine response and acceleration, mild to moderate gear rattle; Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability

What's Included:

• ACT 01-06 BMW M3 E46 XACT Flywheel Prolite

Vehicle Fitment:

• 2001-2006 BMW M3 Base