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MAHLE moly piston rings for GMC trucks with the 7.4L (454) V8 covering 1991–1994 deliver OE-driven performance goals: reduced friction, lower ring mass and minimized oil consumption to help extend service life. MAHLE positions these rings as advanced piston ring technology that aligns with OE requirements for dependable replacement performance.
Mahle Rings GMC Trk 454 7.4L Eng 91-94 Moly Ring Set
