4 Piston K20 K24 Ported Type S Oil Pump 4PR-KPUMP
The stock K-Series oil pump is a great piece for up to 8,000 rpm. Past that, there can be cavitation issues and oil pressure drops as temperatures rise. Our ported pump increases flow by 25% and will allow continuous use above 9,000 rpm. The pump has been tested well over 11,000 rpm with great success. We start with a brand new OEM oil pump from Honda, disassemble, port and smooth oil ...