Mahle OE Moly ring set for 4.040-inch bores offers plasma-moly-faced piston rings in a reduced moly specification with standard tension noted in the description. Intended as a complete engine set, the listing highlights matching to the specified bore size for rebuilds and replacement applications, focusing on restoring sealing and oil control for the stated engine dimensions.
Mahle Rings 4.040in Bore .043in1/16in 3.00MM Plasma Moly Ductile Std Tension Reduced Moly Ring Set