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MAHLE OE plain ring sets apply OE-grade piston ring technology to late 1980s and early 1990s GMC applications, focusing on reduced friction and lower ring mass to minimize oil consumption and extend service life. These sets are listed for GMC passenger and truck 2.8L and 3.1L engines across specific model years, providing a direct-fit replacement aligned with OE performance goals.
Mahle Rings GMC Pass 173 2.8L Eng 87-89 189 3.1L Eng 88-93 GMC Trk 189 3.1L Plain Ring Set
