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 200,00 psi bolts that let you exert maximum clamping force.
ARP Chevy Harmonic Balancer Bolts has Special features include 1/4" thick, wide area washer and an extra tall 12-point head that accepts a deep socket and elimates the worry of stripping the head.
Chevrolet Gen III/LS Series Small Block (except LS7), 1"-1/16" socket size, M16" x 2.0" Diameter/Thread size, 4.325" Under Head Length, ARP 234-2503 Harmonic Balancer Bolt Kit
Chevrolet Gen III/LS7 Small Block, 1"-1/16" socket size, M16" x 2.0" Diameter/Thread size, 5.225" Under Head Length, ARP 234-2504 Harmonic Balancer Bolt Kit
