ATI Serpentine SFI 18.1 Super Damper - 7.425 in OD - AC Pulley - Black Oxide - Internal Balance - GM LS-Series 23011813 29 in W x 19

29 in W x 19

this raised one-piece guide plate set is designed for Chevrolet 396-454 Big Block engines with 7/16" studs and 3/8" pushrods

Shockwears Armor(R) are designed to reduce the wear and tear on parts such as the shafts and seals

2001-2010 Chevrolet Silverado 2500 HD

5/8 in Tube OD

ATI Serpentine SFI 18.1 Super Damper - 7.425 in OD - AC Pulley - Black Oxide - Internal Balance - GM LS-Series 23011813 29 in W x 19The 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