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Mahle OE moly ring set for Chevy race big-block applications—specified for 427 and 454 engines at +.100—provides a competition-oriented piston ring kit with moly coatings for improved break-in and wear resistance. Intended for high-output race builds, the set matches bore-specific oversize sizing and serves as a direct replacement during engine assembly or rebuild in supported race engines.
Mahle Rings Chevy Race 427 454 +.100 Eng Chry Race 440 Eng Moly Ring Set
