Mahle OE plasma-moly piston rings specified at 1.5MM x .151 RW with a 4.070 inch bore diameter. This single ring set listing identifies the material and bore size for replacement use in compatible engines. The Mahle OE designation signals original-equipment specification and the listing provides the precise dimensional detail needed to confirm fit for matching bore applications.
Mahle Rings Plasma Moly Steel 1.5MM x .151 RW 4.070in Bore Diameter Moly Ring Set