Manley H-Beam connecting rods are made from 4340 forgings that is heat treated, stress relieved, shot peened and individually magnafluxed. Each set is weight matched +/- 1.5grams. The big and small ends are perfectly round. Twists and bends are tightly controlled. Cap fasteners are 7/16" ARP 8740 Chromoly. Set of 8.
