ATI LS1 6.78" Harmonic Damper - SFI 18.1 Certified HASZ20POLAR drop mount kit has 5"

drop mount kit has 5" of adjustment

3/16 in Aluminum Flange Mandrel

3 Arm Restraints are manufactured using high grade steel hardware with premium polypropylene webbing utilizing hook and loop fastening

MAC-1X Single High Output Helmet Air Pumper System

Stackable Carbureted

ATI LS1 6.78" Harmonic Damper - SFI 18.1 Certified HASZ20POLAR drop mount kit has 5"The 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