ATI Super Damper Harmonic Balancer | Multiple Fitments (917741E)

Chevrolet Big Block Engine 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
• OEM equipment on a variety of crate engines

Benefits

• Eliminates torsional crankshaft vibrations
• Tunable, rebuildable, and extremely efficient at all rpm
• Laser-engraved 360 degree timing marks

Please Note: For use with supercharged applications.

Applications

• 1970-1973 Chevrolet Chevelle
• 1970-1974 Chevrolet El Camino
• 1970-1974 Chevrolet Corvette

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.