The Mahle OE chrome piston ring set sized for a 4.1350-inch bore with a 3/16-inch edge width includes CP20 low-tension oil ring components specified as a chrome ring set. Intended for piston sealing and oil control in engine rebuilds that require these dimensions, the set should be matched to your engine's measured bore and piston specifications before assembly to ensure correct fit and sealing.
Mahle Rings 4.1350 Bore Dia 3/16in Edge Width CP20 Oil Ring Low Tension Chrome Ring Set