ATI Serpentine SFI 18.1 Super Damper - 7.480 in OD - AC Pulley - Black - Internal Balance - GM LS-Series RS00100312 Racepak Optimized for the racer

Racepak Optimized for the racer who needs to view vital functions quickly and easily

Competition Series

The hinge design allows for maximum adjustability

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

Used in applications ranging from stock replacement to Circle Track / marine / and drag racing engines

ATI Serpentine SFI 18.1 Super Damper - 7.480 in OD - AC Pulley - Black - Internal Balance - GM LS-Series RS00100312 Racepak Optimized for the racerThe 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