Watch in action

ACT XACT Prolite Flywheel for Subaru Impreza WRX STI (2004-2014)

Unleash the full potential of your Subaru Impreza WRX STI (model years 2004-2014) with the ACT XACT Prolite Flywheel. Engineered for maximum performance gains, this ultra-lightweight flywheel dramatically improves engine response and acceleration, allowing for quicker revs and faster lap times. It's the ideal choice for dedicated track use and racing applications where every millisecond counts. Be aware that this high-performance component may produce mild to moderate gear rattle.

Race-Ready Construction for Subaru

The ACT XACT Prolite Flywheel is constructed from a high-strength, heat-treated forging, ensuring it can withstand the extreme demands of racing. Its induction-hardened ring gears are built for exceptional durability, providing long-lasting performance. The advanced one-piece design eliminates common failure points found in other flywheels, such as warped inserts or loose ring gears, and promotes efficient heat dissipation from the clutch disc, critical for sustained performance.

Precision Balanced for High-RPM Dominance

Meticulously CNC machined and dynamically computer balanced, the ACT XACT Prolite Flywheel guarantees smooth operation and reliability at the highest RPMs. This precision engineering is essential for maintaining drivetrain integrity and delivering consistent power delivery when you need it most. For Subaru WRX STI owners seeking the pinnacle of acceleration and responsiveness for their track-focused machines, this flywheel is an essential upgrade.

• Dramatically improved engine response and acceleration for Subaru Impreza WRX STI
• Mild to moderate gear rattle
• Heat-treated forging for strength and toughness
• Induction-hardened ring gears for maximum life
• One-piece construction for enhanced reliability
• Uniform efficient heat transfer
• Recommended for race use
• Forged, CNC machined, and dynamically computer balanced
• Fits: 2004-2014 Subaru Impreza WRX STI, 2007-2009 Subaru Legacy GT spec.B, 2015-2021 Subaru WRX STI (Base, Limited, Type RA, etc.)

Achieve peak performance with the ACT XACT Prolite Flywheel, exclusively at GGCRACING.