ATI Serpentine SFI 18.1 Super Damper - 7.425 in OD - AC Pulley - Black Oxide - Internal Balance - GM LS-Series Valve Stem Core The combination of the larger

The combination of the larger gap and longer duration spark provides the most complete combustion of the fuel mixture possible for increased horsepower and torque

7 in H x 6

56 Series Lightweight Sprint Deluxe

For mounting Water Temperature gauge senders or probes in 5/8" heater hose

Water Neck Adapter

ATI Serpentine SFI 18.1 Super Damper - 7.425 in OD - AC Pulley - Black Oxide - Internal Balance - GM LS-Series Valve Stem Core The combination of the largerThe 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