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MAHLE piston ring set for GMC truck 454 7.4L engines (1991–1994) delivers OE-driven engineering focused on reduced friction, lower ring mass and minimized oil consumption. MAHLE rings are positioned as the industry’s most technically advanced, aiming to extend service life while meeting strict OE standards—useful when rebuilding or restoring 7.4L GMC engines from the early ’90s.
Mahle Rings GMC Trk 454 7.4L Eng 91-94 Plain Ring Set
