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Mahle moly piston rings for Ford truck 177 2.9L engines (1986–1992) deliver an OE-style replacement option for rebuilds. MAHLE emphasizes lower friction and ring mass, reduced oil consumption, and extended service life as core product goals. The moly ring set is specified where moly-faced rings are required for that 2.9L application.
Mahle Rings Ford Trk 177 2.9L Eng 86-92 Moly Ring Set
