ATI BBC 7.074 Harmonic Damper - SFI 1443A24 Both are nominally rated at

Both are nominally rated at 170

Wrap-around mounts in black

1977-1978 American Motors Gremlin

0 m/s on the 54cm to 59cm size

975 in Long

ATI BBC 7.074 Harmonic Damper - SFI 1443A24 Both are nominally rated atProduct Description: Harmonic Balancer Super Damper 7. 074 in OD SFI 18. 1 Aluminum Steel Black Internal Balance Big Block Chevy 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.