The Mahle OE moly piston ring set supplies plasma-moly steel top rings sized for a 4.140-inch bore with 1.5mm and .151 ring widths in a bulk 48‑piece pack. Intended for engine rebuilds and repairs, these rings restore piston sealing and oil control using OE-style dimensions. Supplied in workshop quantities to support rebuild projects that require the listed sizing.
Mahle Rings Perf 4.140in x 1.5MM .151 RW Plasma-Moly Steel Top Ring Moly Ring Set (48 Qty Bulk Pack)