Mahle OE plain ring set in Napier steel is supplied as a second-ring set sized 4.055in x 1.0mm with a .136in radial width. Intended for routine engine rebuilds, this plain ring set is a standard replacement component offered under Mahle OE specifications for correct fit and consistent material quality. The set provides straightforward sealing function for compatible pistons and is suitable for volume or workshop use.
Mahle Rings Performance Napier Steel 2nd Ring 4.055in x 1.0MM .136in RW Plain Ring Set