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MAHLE piston rings for the specified GMC 2.8L and 3.1L engines bring OE-driven ring technology focused on reducing friction, ring mass and oil consumption while extending service life. This plain ring set is listed for GMC passenger and truck applications with 2.8L engines (1987–1989) and 3.1L engines (1988–1993). The rings reflect MAHLE's industry-leading piston ring design priorities.
Mahle Rings GMC Pass 173 2.8L Eng 87-89 189 3.1L Eng 88-93 GMC Trk 189 3.1L Plain Ring Set
