ARP High Performance Series Connecting Rod Bolt Kit - SB Chevy 350, LT1, LT4 - Set of 16 23-FLX-W-S Like its predecessor

Like its predecessor

3 Certification Tag sewn on pants

1/4-20 in Thread

1961-1973 Chrysler New Yorker

GM 1965-88 Midsize

ARP High Performance Series Connecting Rod Bolt Kit - SB Chevy 350, LT1, LT4 - Set of 16 23-FLX-W-S Like its predecessorThe same heat treated 8740 chrome moly steel is used to make these rod bolts as ARP's standard High Performance rod bolts. The big difference is in the shank design, with ARP's exclusive (and patented) Wave Loc technology providing substantial benefits. Because there are fairly wide tolerances in factory bolt holes, the bolt must be able to fit snugly and a knurl is applied. Unfortunately, these knurls cut deep into the bolt material, leaving sharp