PRW 1042265 Harmonic Balancer Bolt for Chevy SB 265-400 12pt 7/16"-20 x 2.47"

HARMONIC BALANCER BOLT KIT Crankshafts flex and your damper absorbs incredible amounts of energy. PRW harmonic damper bolts will ensure that your balancer is locked into position. These feature a 1/4" thick wide-area washer and an extra tall 12-point head that accepts a deep socket to eliminate the fear of stripping the head when torqued to specification. Sold Individually