Bud Performance Parts.

Power Bowl

Cam Chain Tensioner.

STM Slipper Clutches

BARRETT Products

Slip-ons from $495

Full Systems from $795 

Also performance endcaps for CRF 250F-X & 450F-X .

Fuel Mixture Screw

Flexable Leakjet

Power Pump

R & D Adjustable Accelorator pump

Tokyo mods

Engine plug kit / air-fuel screws & hot start nuts.

09-CRF 450 Splitstream

For the fuel injected CRF-450

sharper throttle response - more torque - better accelleration.