ACT XACT Prolight Flywheel – 600240

SKU: 600240 Category:



  • XACT Flywheel Prolite
  • Product Weight (lbs.) 11.8
  • Material Chromoly Steel
  • Flywheel Type Prolite
  • Tooth Quantity 124
  • Warranty 12 Months
  • SFI 1.1

600240 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.

Feel – Dramatically improved engine response and acceleration, mild to moderate gear rattle

Life – Heat-treated forging for strength and toughness, induction-hardened ring gears for maximum life

Quality – 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 Use – Recommended for race use

ACT Difference – Forged, CNC machined and dynamically computer balanced for smooth high RPM reliability


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Confirmed Fitment

Year Make Model
Year Make Model
2001 - 2003 Subaru STI JDM
2004 - 2021 Subaru Impreza WRX STI