ACT 01-06 BMW M3 E46 XACT Flywheel Prolite

ACT XACT Flywheel Prolite: 601015. Excellence in Performance, backed by the best one-year warranty in the industry!601015 is a Prolite flywheel, which is ACT's lighter 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, good heat tolerance and rigidity. ACT flywheels are serviceable and can be resurfaced with no need to purchase additional parts. Material:Chromoly Steel SFI Rating:1.1 Replaceable Friction Surface:No Engine Balance:Internal Friction Surface Configuration:Recessed Type:Prolite Mounting Hardware Included:Yes Grade Type:Performance Mounting Hole Quantity:8 Weight:9.9 LB Tooth Quantity:113 Friction Surface Diameter:9.4 IN Part Fitment Requirement:Single mass flywheel conversion. Can be used with both factory clutch kit and ACT clutch kits. Gear rattle is expected