ATI Super Damper SFI 18.1 Harmonic Balancer - 7.074 in OD - Black Oxide - Internal Balance - Big Block Chevy 917064 JKU-G1 055" because of the higher

055" because of the higher voltage output of this coil kit

365 in Pilot Diameter

This pants bottom is a long john design with cuffs at the ankles and exceeds the SFI 3

GM Type II

ATI Super Damper SFI 18.1 Harmonic Balancer - 7.074 in OD - Black Oxide - Internal Balance - Big Block Chevy 917064 JKU-G1 055" because of the higherThe patented ATI Super Damper is the only crankshaft damper designed exclusively for high performance Chrysler, Dodge and Mopar Engines including the new HEMI! Whether you race or just drive on the street, ATI's harmonic balancers are the perfect choice. ATI Shell Assembly 3 Ring Aluminum 917030 ATI BB Chevy 7. 074 Harmonic Damper SFI 917064 Super Damper Harmonic Balancer Internal Balance 6 Bolt Steel Black Chevrolet 396 402 427 ATI Performance