PRO/RACE Pro Street Harmonic Balancer - 8.0" OD - Iron - External Balance - Big Block Chevy YA0604 this manifold has a balanced

this manifold has a balanced 180 ° firing order port runner arrangement

The Perimeter Seal system is the latest technology from Racing Optics which allows for a tighter seal to visor

no-retorque type head gaskets

This header features 1-5/8" primary tubes and a 2-1/2" collector for increased exhaust flow for increasing performance

Safe/economical solutionNo matter what your lowered truck suspension needs are

PRO/RACE Pro Street Harmonic Balancer - 8.0" OD - Iron - External Balance - Big Block Chevy YA0604 this manifold has a balancedProduct Description: Harmonic Balancer Pro Street 8. 0 in OD Iron Natural External Balance Big 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 range of