The Mahle OE moly top ring set is sized for a 4.325-inch bore with a 1/16-inch edge width and features a ductile plasma-moly top ring construction. Supplied as a matched ring set, it suits piston rebuilds and replacement where a plasma-moly top ring is specified. The product name and dimensions guide selection for compatible engine bores during rebuilds or maintenance requiring OE-form rings.
Mahle Rings 4.325in Bore Dia 1/16in Edge Width Ductile Plasma Moly Top Ring Moly Ring Set