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MAHLE moly piston rings for GMC trucks with the 7.4L (454) V8 covering 1991–1994 are engineered to meet OE-driven goals: reduced friction and lower ring mass while helping minimize oil consumption. These rings reflect MAHLE's advanced piston ring technology and are presented as an OE-quality replacement set that targets improved service life and efficient ring operation.
Mahle Rings GMC Trk 454 7.4L Eng 91-94 Moly Ring Set
