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Mahle OE plain piston ring set for GM 6.5/6.9L engines covering 1963–1969 applications. Built to OE-driven criteria, these plain rings aim to reduce friction and ring mass while minimizing engine oil consumption to extend service intervals. Offered as a direct replacement for classic engine rebuilds and maintenance, the set reflects Mahle's advanced piston ring technology for reliable sealing and longevity.
Mahle Rings GM 6.5/6.9L 63-69 Plain Ring Set
