The Mahle OE plain ring set is a top ring kit specified for a 4.315 in bore with a 1/16 in thickness, offered as a plain top ring configuration. Intended for engine rebuilds and piston ring replacement, it provides the core sealing function at the combustion chamber. This basic OE-style set is useful when matching factory-style ring dimensions during engine reconditioning.
Mahle Rings 4.315in Bore Dia 1/16in PC479 Top Rings Plain Ring Set