Ross Performance Parts Harmonic Dampers put protection & performance at the forefront, providing a fully resolved solution for your high-performance engine.

Ross Performance Parts Subaru EJ20 / EJ25 Harmonic Damper:

• Rated for 600hp
• Maintains OEM pulley diameters, locations and profiles
• Suitable for high-performance street applications
• Designed and manufactured in-house using CMM, 3D modelling and state of the art CNC technology
• Bonded using our proprietary Ross Tuffbond process incorporating anti-vibration, anti-tear natural rubber
• Laser etched 360° timing marks
• High-quality black finishes
• Seamless integration with our trigger disc and dry sump drive adaptor
• Utilises grade 10.9 or better hardware
• Complies with SFI spec 18.1