917020 2 Ring Aluminum Super Damper Shells for 1959 Chevy 3B - Black Zinc Chromate

The number one goal of ATI performance is to supply high-quality racing products. with a great team of innovative designers we are able to get better as a manufacturer and our ideas bring our products to a new level finally makes the end user the racers better at what they do. Features -Super Damper harmonic balancer shells are specifically designed for high-rpm engines -Tuned to eliminate harmful crankshaft harmonics that cause parasitic horsepower loss -These damper shells are engineered to all but eliminate worn parts and timing problems Compatibility -1959 Chevy 3B Specifications - Finish: Black Zinc Chromate - Material: Aluminum - Engine Balance: Internal - Outside Diameter : 7.074in