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The Mahle OE moly piston ring set fits GMC passenger 173 2.8L engines (1985–1989) and GMC trucks with the 173 2.8L engine (1985–1993). MAHLE piston rings apply OE-driven design to reduce friction and ring mass while minimizing oil consumption, supporting longer service life. This moly ring set follows that advanced piston ring technology for reliable sealing in rebuilds.
Mahle Rings GMC Pass 173 2.8L Eng 85-89 GMC Trks 173 2.8L Eng 85-93 Moly Ring Set
