Super Damper Harmonic Balancer 6.325" Dia. SFI Approved Suit SB Chev, Internal Balance With Standard OEM Front & Inner Shell, 3-Ring

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

• Eliminates torsional crankshaft vibrations
• Exceeds SFI 18.1 specs
• Black zinc chromate finished
• OEM equipment on ZZ572 GM Crate Engines
• Tunable, rebuildable, and extremely efficient at ALL RPM
• Laser engraved 360° timing marks