December 23, 2023 full 4dr51, engine, full, gasket, mitsubishi, piston, ring New Full Gasket Kit Piston Ring For Mitsubishi 4DR51 engine Part Number: Mitsubishi 4DR51 engine. Application: For Mitsubishi 4DR51 engine. 4 set Ring set for 4 pistons. 1 set full gasekt kit.