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The Mahle OE moly piston ring set is specified for GMC passenger 173 2.8L engines (1985–1989) and GMC trucks with the 173 2.8L engine (1985–1993). MAHLE piston rings reflect OE-driven objectives—reducing friction and ring mass while minimizing oil consumption—to provide longer service life and proven sealing performance in rebuild applications.
Mahle Rings GMC Pass 173 2.8L Eng 85-89 GMC Trks 173 2.8L Eng 85-93 Moly Ring Set
