Fuel System

Complete kits to rebuild O.E. carburetors. Each kit contains all necessary gaskets, o-rings, float valve and jets for one carburetor.

Complete kits to rebuild O.E. carburetors. Each kit contains all necessary gaskets, o-rings, float valve and jets for one carburetor.

OEM quality carburetor boots/holdersMade in Japan

The air box is connected to the throttle by the air boot. The typical boot is inefficient in routing the air stream as it snakes around the frame and shock before reaching the throttle valve. The irregular shape of the boot produces unsteady and erratic...

Dual stage reedsMinor change gives major H.P. improvementsFaster opening and closingGreater low pressure (Low-throttle) responseGreater velocity and flow areaLonger overall lifeNo engine damage if broken

Dual stage reedsMinor change gives major H.P. improvementsFaster opening and closingGreater low pressure (Low-throttle) responseGreater velocity and flow areaLonger overall lifeNo engine damage if broken

Dual stage reedsMinor change gives major H.P. improvementsFaster opening and closingGreater low pressure (Low-throttle) responseGreater velocity and flow areaLonger overall lifeNo engine damage if broken

Dual stage reedsMinor change gives major H.P. improvementsFaster opening and closingGreater low pressure (Low-throttle) responseGreater velocity and flow areaLonger overall lifeNo engine damage if broken

Dual stage reedsMinor change gives major H.P. improvementsFaster opening and closingGreater low pressure (Low-throttle) responseGreater velocity and flow areaLonger overall lifeNo engine damage if broken

Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.The intake charge is redirected for more even distribution to the intake portsConstant flow velocity is maintained for instant throttle response and more horsepowerOne...

Each Boyesen RAD Valve is unique - tailor made to that model, year and displacement.The intake charge is redirected for more even distribution to the intake portsConstant flow velocity is maintained for instant throttle response and more horsepowerOne...

Keihin FCR mid body repair gasket kit