Super Damper Harmonic Balancer SFI Approved Suit Nissan SR20DET RWD, 4 & 5 Groove With P/S Pulley 11%

The patented ATI Super Damper is the only damper designed exclusively for high performance engines.

• Eliminates torsional crankshaft vibrations
• Exceeds SFI 18.1 specs
• Black zinc chromate finished
• Tunable, rebuildable, and extremely efficient at ALL RPM
• Laser engraved 360° timing marks