ACT 07-13 Mazda Mazdaspeed3 2.3T XACT Flywheel Prolite (Use w/ACT Pressure Plate & Disc) - 600521

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
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