Pro Design PD305 Cool Head Dome - Standard Bore (19cc) luggage-drink-holder Approximately 50% increase in horsepower

Approximately 50% increase in horsepower over factory

1999-2009 Husqvarna WR250

In-line Volume Control

Built to OEM specs for a perfect fit

Pro Design PD305 Cool Head Dome - Standard Bore (19cc) luggage-drink-holder Approximately 50% increase in horsepowerBillet machined design offers noticable bolt on performance gains. Increased torque and power as a result of increasing compression. Larger water jacket area supplies more water; you get the ultimate in cooling efficiency by eliminating overheating. Cool Head shells and Cool Domes sold separately to give you a choice of compression ratios. Features include O ring seal (no gaskets required) and adjustable and removable compression domes. Race Gas Only.