MAHLE OE moly piston ring sets for the 231 3.8L engines fit Buick 231 (1975–1984) and Chevrolet 231 (1978–1984), including truck applications listed in the source. MAHLE piston rings are presented as advanced OE-level components focused on reduced friction, lower ring mass, controlled oil consumption and extended service life, reflecting OE-driven technology used in their design.
Mahle Rings Buick 231 3.8L Eng 75-84 Chevy 231 3.8L Eng 78-84 Chevy Trk 231 Moly Ring Set