ATI Super Damper Harmonic Balancer | Multiple Fitments (917830/31/40)

Oldsmobile 455 Super Damper Harmonic Balancer by ATI Performance

Patented ATI Super Damper standard harmonic balancers are the only crankshaft dampers designed exclusively for high-performance engines. Inner and outer shells are available in aluminum or steel and contain a steel inertia weight. The inertia weights have six (2-ring design) or eight (3-ring design) computer-machined grooves to retain the proper durometer O-rings (dyno tested for each application). Whether you race or just drive on the street, ATI harmonic balancers are a perfect choice.

Features

• Exceeds SFI 18.1 specs
• Black zinc chromate finished
• Laser-engraved 360 degree timing marks

Benefits

• Eliminates torsional crankshaft vibrations
• OEM equipment on a variety of crate engines
• Tunable, rebuildable, and extremely efficient at all rpm

Please Note: Applicable with Oldsmobile 455 engines only. There are a few options available so please select the correct option before adding to your cart.

Applications

• 1967-1971 Oldsmobile 442
• 1967-1985 Oldsmobile Toronado
• 1977-1979 Pontiac Firebird

What’s In The Box?

• 1 – Harmonic Balancer

Warranty

• ATI warrants to the original retail purchaser that all of their products will be free from defects in material and workmanship for a period of 90 days from the date of purchase.