Enhance the performance of your Mitsubishi S4L or S4L2 engine with this 4-set 78mm piston ring set. The rings are designed to fit snugly and provide a reliable seal for your engine's cylinder bore diameter of 3.07in. The set includes piston rings with a ring size of 2.5MM+2MM+4MM and a piston diameter of 78MM.

The manufacturer, SCP Parts Inc., provides a one-year warranty for this piston ring set, which is made from high-quality materials. The OE/OEM part number is 31A17-00010 MM433921, and the manufacturer part number is also 31A17-00010 MM433921. This piston ring set is perfect for anyone looking to improve their engine's performance and reliability.