ARP 150-2503 - ARP Harmonic Damper Bolts - Square Drive
ARP #070-150-2503Ford (except 351C) |
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This is a special version of ARP's rugged 200,000 psi damper bolt that can accept a standard 1/2'' drive ratchet or breaker bar to facilitate rotating the crank assembly. Made by ARP from heat-treated 8740 chrome moly with heavy-duty black oxide finish.
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