Square Drive Damper Bolts for Buick

ARP Store: A Division of Titan Motorsports Verified independent store

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ARP offers a special version of its rugged 190,000 psi rateddamper bolt that can accept a standard 1/2? drive ratchet orbreaker bar to facilitate rotating the crank assembly.1/2? s quare drive forged into bolt head, enabling the rotationof an engine with any 1/2? drive toolMade from heat-treated 8740 chrome moly steel withheavy-duty black oxide finish Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA Show more