ATI Serpentine Super Damper - SFI 18.1 - Harmonic Balancer - 7.525 in OD - Black - Internal Balance - GM LS-Series RG40003S Packaged as single unit: 4-cyl

Packaged as single unit: 4-cyl require 2 coils

1975-1981 Chevrolet Bel Air

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ATI Serpentine Super Damper - SFI 18.1 - Harmonic Balancer - 7.525 in OD - Black - Internal Balance - GM LS-Series RG40003S Packaged as single unit: 4-cylProduct Description: Harmonic Balancer Serpentine Super Damper 7. 525 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