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The Mahle OE plain second ring set is a performance steel piston ring specified as 3.5236 in x 1.2 mm .135 in RW, serving as a direct replacement for compatible engines. Mahle OE production tolerances support sealing and ring control in rebuilds or repairs; these plain ring sets provide accurate ring dimensions where OE-style fitment and consistent sizing are required.
Mahle Rings Performance Steel Napier 2nd Ring 3.5236in x 1.2MM .135in RW Plain Ring Set
