BALANCER BOLT CHEV BB HEX

Harmonic Balancer Bolt, Steel, Zinc Plated, Hex Head, Chevrolet, Big Block. These bolts are made of a Grade 8 alloy and are heat-treated for extra strength. They feature a high hex head to prevent socket slippage and an extra-thick washer to allow for a more accurate, uniform torque. Thread Size: 1/2-20 inch RH, Under-head Length: 1.500 inch.