ATI 2.760" Bolt Circle Crankshaft Hub Steel Black Powder Coat Small Block Chevy - Each 24-CHL-N-55 Inserts have 1/4"-20 threads and

Inserts have 1/4"-20 threads and are typically riveted to the backside of a panel or bracket with 1/8" rivets

Mustang 1970

1975-1990 Pontiac Firebird

Acceleration capabilities are greatly enhanced

1979-1990 GMC C2500

ATI 2.760" Bolt Circle Crankshaft Hub Steel Black Powder Coat Small Block Chevy - Each 24-CHL-N-55 Inserts have 1/4"-20 threads andProduct Description: Crankshaft Hub 2. 760 in Bolt Circle Steel Black Oxide Small Block Chevy Sold Individually 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.