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Mahle OE plain piston ring set supplied as a performance second ring in metric Napier steel construction, offered here for a 4.000in bore with 1.0mm thickness and .136in radial wall. These rings are intended as direct-fit engine service components where OE-grade ring geometry and durability are required. They arrive as a plain ring set suitable for rebuilds and engine maintenance in compatible applications.
Mahle Rings Performance Napier Steel 2nd Ring 4.000in x 1.0MM .136in RW Plain Ring Set
