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The MAHLE moly piston ring set for Dodge truck 3.9L engines (1986–1991) applies OE-driven piston ring technology to reduce friction and ring mass, minimize oil consumption, and extend service life. Manufactured to meet OE performance goals, these rings are a direct-replacement option for engine rebuilds where improved oil control, reduced friction, and longevity are desired.
Mahle Rings Dodge Trk 238 3.9L Eng 86-91 Moly Ring Set
