ATI BBC 7.074 Harmonic Damper - SFI 1125408 and have dual (10-3/4" and

and have dual (10-3/4" and 11-1/2") converter bolt patterns unless specified

1984-1990 Chevrolet Celebrity

programmable with up to three user-defined presets and free iOS and Android mobile app easily connects with Bluetooth -enabled manifold

Demon Carburetors

ATI BBC 7.074 Harmonic Damper - SFI 1125408 and have dual (10-3/4" andProduct 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.