Oldsmobile - Square Drive Balancer Bolts

ARP offers a special version of its rugged 200,000 psi rated balancer bolt that can accept a standard 1/2" drive ratchet or breaker bar to facilitate rotating the crank assembly.

• 1/2" square drive forged into bolt head, enabling the rotation of an engine with any 1/2" drive tool.
• Made from heat-treated 8740 chrome moly steel with heavy-duty black oxide finish.