As the crankshaft flexes and twists, the balancer absorbs incredible amounts of kinetic energy. To ensure that the balancer is locked in position, ARP has developed these ultra strong 200,000 psi bolts that let you exert maximum clamping force. Includes a 1/4″ thick wide area washer.
For small block Chevy engines Gen I and Gen II
Bolt thread is 7/16″-20.
Under head length is 2.470″.
Uses a 1/2″ Drive Rachet to make rotating crankshaft easy.
