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The Mahle OE plain piston ring set delivers OE‑driven design focused on reducing friction and ring mass while minimizing oil consumption for longer service life. This plain ring set fits Buick 400 engines, Olds 400 (1975) and Pontiac 428 applications spanning 1967–1983 where listed, and reflects Mahle’s emphasis on advanced piston ring technology for durability and improved engine efficiency.
Mahle Rings Buick 400 Eng 1978 Olds 400 Eng 1975 Pontiac 428 Eng 67-83 Plain Ring Set
