Proform 66510 Harmonic Balancer 601320982344 T (pronounced "Street") shocks and

T (pronounced "Street") shocks and struts bring improved handling and Koni quality to the budget minded driving enthusiast

To insure high quality

it's easier to handle when it is a little firmer

A 50% to 70% concentration range is suggested for optimum corrosion protection

Proform 66510 Harmonic Balancer 601320982344 T (pronounced "Street") shocks andBrand ProForm Model 66510 Fits Chevy small and big block engines. These are brand new OE replacement harmonic balancers. Affordable pricing eliminates the need to clean your old stock balancer. Enhance your balancer by adding the patented balancer covers. Fits Chevy small and big block engines. These are brand new OE replacement harmonic balancers. Affordable pricing eliminates the need to clean your old stock balancer. Enhance your balancer by adding