ATI Serpentine SFI 18.1 Super Damper - 7.480 in OD - AC Pulley - Black - Internal Balance - GM LS-Series RS00100312 Competition Series

Competition Series

The hinge design allows for maximum adjustability

while the hardened swivel chuck rotates 360° for positive valve stem attachment

which produce higher exhaust temperatures

Also fits 1971-81 Camaro and 1973-88 Chevelle/Malibu

ATI Serpentine SFI 18.1 Super Damper - 7.480 in OD - AC Pulley - Black - Internal Balance - GM LS-Series RS00100312 Competition SeriesThe patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chevy engines. 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. Product Description: Harmonic