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MAHLE plain piston ring set for Buick 400 (1978), Olds 400 (1975) and Pontiac 428 applications (1967–1981) brings OE-driven piston ring engineering to engine rebuilds. MAHLE focuses on reducing friction and ring mass while minimizing oil consumption to extend service intervals. Their rings reflect current piston ring technology aimed at better oil control and longer life in restored engines.
Mahle Rings Buick 400 Eng 1978 Olds 400 Eng 1975 Pontiac 428 Eng 67-81 Plain Ring Set
