Affordable premium quality replacement connecting rods High-tech crank and wrist bearings AISI carburized crank pin Silver-coated crank pin bearing A.E. recommended phosphor bronze thrust washers Forged from 8620 AISI steel, hardness-tested to insure strength and durability Forged rod manufactured with copper-coated surfaces to protect the rod beam becoming brittle during the case-hardening process Made in USA