This Mahle chrome piston ring set is described with a 4.7800-inch bore diameter and a 3mm edge width, featuring a CP20 oil ring with low-tension chrome construction. It is intended as a replacement ring set where those bore and edge dimensions apply, providing the specific ring profile and oil control configuration noted in the product description for compatible engine rebuilds or ring replacements.
Mahle Rings 4.7800 Bore Dia 3MM Edge Width CP20 Oil Ring Low Tension Chrome Ring Set