PRO/RACE Pro Sport Harmonic Balancer - 6.61" OD - SFI 18.1 - Iron - External Balance - SB Chevy R01P003S All options integrate seamlessly with

All options integrate seamlessly with the new ST5

allows us to increase the tensile strength of the wire while reducing its center diameter

SS & ZL1 6

These 80 grit rolls are 3/8" x 1 1/2" long

Designed to work with GM Throttle body P/N's - 12570790 and 12580760

PRO/RACE Pro Sport Harmonic Balancer - 6.61" OD - SFI 18.1 - Iron - External Balance - SB Chevy R01P003S All options integrate seamlessly withProduct Description: Harmonic Balancer Pro Sport 6. 61 in OD SFI 18. 1 Iron Natural External Balance Small Block Chevy Sold Individually Founded by renowned Australian drag racer Graham Withers , Pro Race Performance has produced performance engine components for more than 35 years. Pro Race is recognized for their All Steel line of crankshaft dampers, initially offered for the Holden 308 V8, and now offers high performance racing dampers for a wide