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MAHLE moly piston ring set for the GMC truck 454 7.4L engine (1991–1994) applies MAHLE’s advanced piston ring technology driven by OE requirements. These rings aim to reduce friction and ring mass, help minimize engine oil consumption and extend service life. The moly finish provides OE-style performance and is presented as an industry-leading piston ring solution.
Mahle Rings GMC Trk 454 7.4L Eng 91-94 Moly Ring Set
