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The Mahle OE plain second-ring set is a Napier Steel plain ring sized 4.165 in diameter with a 1.0 mm thickness and .136 in ring width. This second-ring replacement is intended for piston rebuilds and ring replacement tasks where accurate dimensions are required. It is suitable for shop or individual engine service matching these measurements.
Mahle Rings Performance Napier Steel 2nd Ring 4.165in x 1.0MM .136in RW Plain Ring Set
