The Mahle OE reduced-moly piston ring set is specified for a 4.155-inch bore with .043, 1/16 and 3.00mm ring sections as a plasma moly, ductile reduced-moly kit. Intended as an engine rebuild or replacement set, the reduced-moly construction is specified in the description for applications matching this bore and ring sizing. Use this set when a compatible reduced-moly ring kit is required for restoration or repair.
Mahle Rings 4.155in Bore .043in1/16in 3.00MM Plasma Moly Ductile Std Tension Reduced Moly Ring Set