... is made of air space high-quality 40CrNiMoA Alloy Steel(American SAE 4340) for all high performance racing rods. The rod ... the mechanical property significantly. The conrods are widely used in American, European and Janpanese cars, like Honda, Chevy,Ford,Nissan, VW ... +/-1g and its total weight is not more than +/-1g. I-Beam Connecting Rods