This CP piston ring set is specified for a 4.016-inch bore and includes a 1.2mm top ring, a 1.5mm second ring, and a 4.0mm oil ring. The set is intended to replace worn rings on matching bore pistons and restore sealing and oil control in compatible engines. Use with pistons sized to a 4.016 in. bore and follow engine builder guidance for installation and break-in.
CP Ring Set 1.2mm Top Ring 1.5mm 2nd Ring 4.0mm Oil Ring 4.016 Bore