ATI Super Damper SFI 18.1 Harmonic Balancer - 6.780 in OD - Internal Balance - GM LS-Series 59811111 1968-1974 GMC K35/K3500 Pickup

1968-1974 GMC K35/K3500 Pickup

Swirl-Torque

these sparks produce easier starting

Can be custom fit

Its X-Tech stretch panels provide excellent ventilation and maneuverability

ATI Super Damper SFI 18.1 Harmonic Balancer - 6.780 in OD - Internal Balance - GM LS-Series 59811111 1968-1974 GMC K35/K3500 PickupProduct Description: Harmonic Balancer Super Damper 6. 780 in OD SFI 18. 1 Aluminum Steel Black Internal Balance GM LS Series ATI Performance Products is a company founded on innovation, precision and service. ATI and Jim Beattie are synonymous in the field of drag racing. It is common to find ATI equipped vehicles winning races throughout the United States. However, this tremendous success didn't happen overnight. ATI Performance Products is the