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Mahle OE moly piston ring set for a 4.040 in bore. The set lists plasma moly construction with .043 in and 3.00 mm ring dimensions and reduced radial moly profiles plus standard-tension oil rings in the spec text. It serves as a like-for-like replacement ring set for engine reconditioning, offering factory-style sealing and oil control without altering engine geometry.
Mahle Rings 4.040in Bore .043in 3.00MM Plasma Moly Ductile Std Tension Reduced Rad Moly Ring Set
