Unleash Your Engine's Potential

The Competition Clutch STU Series 11lb Ultra Lightweight Steel Flywheel is engineered for the serious enthusiast who demands maximum performance from their Honda Civic Si or Acura RSX. By stripping away unnecessary mass, this flywheel allows the engine to spin up faster, providing a significant advantage in acceleration and track-focused driving scenarios.

Performance-Driven Engineering

• Ultra-Lightweight: 11lb mass reduces rotational inertia for faster revs and improved throttle response.
• High-Strength Construction: Machined from 4140 forged steel to withstand the high heat and stress of racing.
• Track Ready: Designed specifically for Stage 3 and higher clutch applications.
• SFI Certified: Meets safety standards for high-performance racing environments.

This flywheel is the perfect complement to a high-performance clutch setup, ensuring that your power is transferred to the wheels with minimal loss. Its one-piece design offers superior structural integrity compared to multi-piece alternatives, giving you peace of mind during aggressive driving. Whether you are competing in circuit racing, autocross, or simply looking to sharpen the response of your K-series engine, this flywheel is a top-tier choice. For all your high-performance drivetrain needs, including flywheels and clutches, GGCRACING is your go-to source for quality parts and expert advice.