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The Mahle OE plain second ring set is a steel piston ring kit specified as 3.4843 in x 1.2 mm .135 in RW, offered as a direct replacement second ring for compatible engine applications. Mahle OE production standards help ensure sealing and ring control during rebuilds or repairs; these plain rings provide consistent dimensions for accurate OE-style fitment.
Mahle Rings Performance Steel Napier 2nd Ring 3.4843in x 1.2MM .135in RW Plain Ring Set
