Mahle OE moly ring set specified for a 4.563in bore includes standard tension rings with sizes .043in, 1/16in, and 3/16in, described as a high‑performance moly ring set. The kit lists the bore and individual ring thicknesses to support correct engine rebuild or replacement needs. It focuses on dimensional accuracy and ring composition indicated by the moly designation for the intended application.
Mahle Rings 4.563in Bore .043in 1/16in 3/16in Std Tension High Performance Ring Set Moly Ring Set