Semi Truck Engine Harmonic Balancer Hubs

Super Damper™ Harmonic Damper Crankshaft Steel Hub (916040) by ATI Performance®. The patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines.

Harmonic Balancer Hub (68002989AA) by Mopar®. Want your prized possession to look and perform the way it was designed to? Then top-of-the-line Mopar automotive parts and accessories are for you. Made using the latest manufacturing...