ATI GM LS1 6.32" Harmonic Damper - SFI 18.1 Certified 13107 We prioritize safety and innovation

We prioritize safety and innovation

All necessary T-bolt clamps

and the mud almost falls off

and EFI systems that use feedback control to auto tune

Designed to feed serious EFI and Carbureted engines

ATI GM LS1 6.32" Harmonic Damper - SFI 18.1 Certified 13107 We prioritize safety and innovationThe 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