PMR KIT HJ4040-1-4 GPM/4000 PSI/BRV31 EZ START

The Pump Made Ready Kit from HydroJet comes fully assembled with the Unloader, Inlet, Bypass assembly, and thermal relief valve. This plug and play assembly is ready to be mounted to the engine for easy installation and quick assembly. The Hollow Shaft on this pump is compatible with single cylinder engines with a 1″ shaft