Boyesen Impeller Pump - Yamaha Yz 250 Wpi-32A

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperatureLess horsepower loss during the late stages of a raceExtend engine lifeImpellers are designed to...

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperatureLess horsepower loss during the late stages of a raceExtend engine lifeImpellers are designed to...

Designed to increase water flow and reduce hydraulic friction for a cooler, more constant temperatureLess horsepower loss during the late stages of a raceExtend engine lifeImpellers are designed to...

Look like a professional with the Factory Ignition CoverSeals properly, guarding inside of engine from dirt and water and outlasts stock coversBoyesen Factory Covers are cast from the highest grade...

An aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling systemThis high-flow, hydrodynamic water pump kit has been...