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Mahle OE Moly Ring Set is a piston ring kit sized for a 4.020 in. bore, featuring plasma-moly coated ring faces and ductile construction for standard-tension applications. Supplied as a complete set for engine rebuilds and piston assembly, it follows the listed bore and section dimensions and is intended for restoring sealing and wear characteristics in overhauled cylinders.
Mahle Rings 4.020in Bore .043in1.5MM3.00MM Plasma Moly Ductile Std Tension Reduced Rad Moly Ring Set
