ATI SB Chevy 7.074" Harmonic Damper - SFI 18.1 Certified 2050091 1-3/8 in OD

1-3/8 in OD

with 6" bolt spacing

NASCAR Xfinity/Truck/K&N

1978-1978 Dodge D450

1958-1961 Plymouth Custom

ATI SB Chevy 7.074" Harmonic Damper - SFI 18.1 Certified 2050091 1-3/8 in ODThe 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