ATI Super Damper SFI 18.1 Harmonic Balancer - 7.48 in OD - Black - Internal Balance - GM LS-Series R07C152XL rubber grip friction pads to

rubber grip friction pads to help you feel locked in your seat better

Available with 58cc or 72cc combustion chamber volume

Don't "drive through" your shocks with that big power

75 in W x 19

540 lb/in Spring Rate

ATI Super Damper SFI 18.1 Harmonic Balancer - 7.48 in OD - Black - Internal Balance - GM LS-Series R07C152XL rubber grip friction pads toProduct Description: Harmonic Balancer Super Damper 7. 48 in OD SFI 18. 1 Steel Black Oxide Internal Balance GM LS Series Sold Individually ATI Performance Products is a company founded on innovation, precision and service. ATI harmonic Super Dampers add horsepower and torque to race, street and truck engines. ATI Performance Products is the creation of over 40 years of Transmission and performance component manufacturing and racing experience.