1 Results Found For "marine"

Summit Racing™ Competition Harmonic Dampers

NHRA accepted and SFI-18.1 approved, Summit Racing™ competition harmonic dampers are tested to 18,000 rpm--50 percent higher than SFI specs--and have engraved timing marks and a rust-resistant finish. These competition dampers have a special bonded elastomer that transfers heat faster, and are ideal for drag race, circle track, and marine use. Small block Ford dampers are double drilled to fit a variety of pulley configurations. Get SFI-approved damping for your race machine with Summit Racing™ Competition harmonic dampers.

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