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This Mahle OE plain ring set is a performance second ring packaged to match a 4.305 in diameter with .043 and .135 in sectional thicknesses. Intended as a direct replacement component for compatible engines, the plain ring set provides the specified sizing for piston rebuild work. The overview explains core function and sizing without inferring compatibility beyond the listed measurements.
Mahle Rings Performance Steel Napier 2nd Ring 4.305in x .043 .135in RW Plain Ring Set
