The R607325 is a left-hand S-camshaft designed for Hendrickson Intraax/HXS 16½″ drum brake systems. It features a 1½″ × 28-spline journal, a 1⅛″ hardened cam head, and a 11.031″ effective length. Precision-forged and induction-hardened for extended durability, it matches OEM specifications and cross-references multiple industry part numbers.