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The Mahle OE plain piston ring set is a performance steel Napier THM-13 assembly sized 4.195 in diameter with 1.5 mm ring thickness and .150 in ring width. This plain ring set serves as a replacement for engine rebuilds where these dimensions are required, restoring compression sealing and supporting routine cylinder reconditioning tasks.
Mahle Rings Performance Steel Napier THM-13 4.185 x .1.5MM .150RW Plain Ring Set
