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MAHLE moly piston ring set engineered for specific GMC passenger and truck applications improves sealing while reducing friction and ring mass. It supports GMC passenger 2.8L engines (1987–1989) and 3.1L engines (1988–1993), plus GMC truck 3.1L applications; MAHLE rings aim to minimize oil consumption and extend service life through OE-driven technology.
Mahle Rings GMC Pass 173 2.8L Eng 87-89 189 3.1L Eng 88-93 GMC Trk 189 3.1L Moly Ring Set
