ATI Subaru WRX Super Damper

Part # 917991

*Picture is for example*

Designed and tuned to eliminate harmful crankshaft harmonics that
cause parasitic HP loss.

Features

• Fits Subaru WRX EJ20, EJ22, & EJ25
• Dampens torsional crankshaft vibrations at all RPM levels
• Protects against engine harmonics
• Direct replacement for the OEM unit
• Four-rib and five-rib serpentine belt drives 5% OD
• Max 600 HP
• Laser-etched timing marks
• SFI 18.1 Certified for competition use

Specs

• 6.67" Aluminum Shell 
• Steel Hub, total weight 6lbs
• Inertia Weight: 2.2 lbs, 3 ring