ATI Serpentine Super Damper - SFI 18.1 - Harmonic Balancer - 7.530 in OD - Internal Balance - Black Oxide - GM LS-Series H760C39S Adjustable 8 in to 18

Adjustable 8 in to 18 in

1977-1986 Pontiac Firebird

*Free recertifications on the REV2 Lite will be honored for SFI 38

1996-1999 Plymouth Voyager

ATI Serpentine Super Damper - SFI 18.1 - Harmonic Balancer - 7.530 in OD - Internal Balance - Black Oxide - GM LS-Series H760C39S Adjustable 8 in to 18Product Description: Harmonic Balancer Serpentine Super Damper 7. 530 in OD SFI 18. 1 Internal Balance Steel Black Oxide 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