6.9″ Big Block Chevy, 502, External Balance Harmonic Balancer

Description 6.9″ Big Block Chevy, 502, External Balance All steel dampers have an alloy steel inner hub and an inertia ring machinedfrom cold-drawn carbon steel tubingIn almost all instances, this assemblyweighs less than OEM damperAll steel dampers are ideal for performanceapplications and racing classesIn order to provide the proper counterweightmass, dampers for all externally balanced engines must be all steelconstructionThrough careful design and computer controlled machining,externally balanced dampers are also the lightest available for theseapplications.