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The Mahle OE plain ring set is a performance steel Napier second ring sized 3.952in x 1.0 mm (.136in RW). Supplied as a plain second ring set, these rings are intended for piston rebuilds and maintenance tasks that require the specified dimensions and steel construction. Confirm the ring size and specifications against your engine requirements to ensure correct fitment before purchase.
Mahle Rings Performance Steel Napier 2nd Ring 3.952in x 1.0MM .136in RW Plain Ring Set
