Hexagon Screw MACK # 3AX1956 (9/16in-18NF x 1-1/2in Self Locking, Patch Type)

Core Lifter Rocker Arm for MACK E7 Replaces # MAK72GC357-OR (PLN) / E6 (Current, w/o Oil Hole) 2VH / 4VH.