ATI SB Chevy 6-3/8 Harmonic Damper - SFI 18.1 Certified H75300354 Cap is a suitable choice

Cap is a suitable choice for most street driven vehicles

Increased fire protection

Fittings allow direct connection to a steel braided line

For use in all AFCO rebuildable shocks with the perfect blend of viscosity and performance

Integral Reservoir / V-Belt Pulley

ATI SB Chevy 6-3/8 Harmonic Damper - SFI 18.1 Certified H75300354 Cap is a suitable choiceThe 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