Description

1977-1978 GMC G25

600 exhaust valves this head moves tremendous volumes of air through conservative runner volumes

Wall Mount

18 gph at 4 psi

ATI BBC 8.074 Harmonic Damper -SFI RG200042XL 1977-1978 GMC G25Product Description: Harmonic Balancer Super Damper 8. 074 in OD SFI 18. 1 Steel Black Oxide 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.

Exchange/Return Notes

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ATI BBC 8.074 Harmonic Damper -SFI RG200042XL 1977-1978 GMC G25

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