Product details:
Summit Racing SUM-C4265: Harmonic Balancer, SFI, Internal Balance, Steel, Clearcoated, Chevy, Small Block, Each - You don't have to sacrifice safety or quality to save money; our affordable Summit bracket racer SFI dampers have been spin-tested to 12,500 rpm and carry an SFI-18.1 rating. The carbon steel dampers have an injection-molded and bonded elastomer, easy-to-read engraved timing marks, removable counterweights (where applicable), and a highly polished baked-enamel finish, so they look as good as they perform..