These Scat Pro Comp 4340 forged steel I Beam connecting rods have a lightweight design for more horsepower and quicker RPMs. They have been profiled for extra clearance. Sets are matched to +/- 1 gram and come with ARP 8740 7/16" cap screws. Rated at 750 horsepower.Bushed 2.200" crankpin .990" wristpin.992" bewidthItem Details780 grams