ATI Crank Hub & Inner Shell Steel - BBC w/1/4 Keyway Helmet Rear Wing Kit 1100 lb/in Spring Rate

1100 lb/in Spring Rate

1971-1971 Chevrolet Townsman

1 Approved head & neck restraint system and it is manufactured of high quality composite and carbon fiber in the USA

Soft and Supple Knit Fabric Offers Superior Moisture Wicking Properties and Dries Quickly

3 in Mandrel

ATI Crank Hub & Inner Shell Steel - BBC w/1/4 Keyway Helmet Rear Wing Kit 1100 lb/in Spring RateProduct Description: Harmonic Balancer Hub Inner Shell Steel Black Oxide ATI Balancers Big 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.