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This Mahle OE plain ring set supplies second rings sized 3.825 in x 1.0 mm with .136 in RW for performance steel Napier applications. Designed for engine rebuilding and restoring compression control, these rings help manage oil control and combustion sealing without altering engine geometry. They provide an OEM-quality replacement option for engines specified to these ring dimensions.
Mahle Rings Performance Steel Napier 2nd Ring 3.825in x 1.0MM .136in RW Plain Ring Set
