KITACO Upgraded Oil Pump - 2022+ Honda GROM RR / 2022+ Honda Monkey (5-Speed) / Honda Super Cub C125 (JA58), 331-1452000. Fits: 2022+ Honda Grom RR 2022+ Honda Monkey(5-Speed) Honda SUPER CUB C125 (JA58) From KITACO: - OIL PUMP ROTOR THICKNESS : 12.5mm (STOCK : 10mm) - Increase Oil Flow - By a large amount of oil is circulated, reduces the burden parts of improvement and lubrication of the cooling performance . - It can be expected to improve the cooling effect by increasing the amount of oil circulation when using in combination with the oil cooler and increasing the engine displacement. REQUIRES Parts from Stock Oil Pump to assemble