ARP 1902501 Harmonic Balancer Bolt Kit For Select Pontiac 350, 400, 455 CID Applications
$31.83
Description
Ensures that the balancer is locked in position as the crankshaft flexes and twists.Rated at 200,000 PSI, which is considerably stronger than Grade 8 hardware.Compact and extra tall 12-point head eliminates the worry of stripping the head by accepting a deep socket.Features an under head length of 1.580, diameter/thread size of 5/8 -18, and a socket size of 5/8".Includes a wide area washer that is 1/4" thick
