GENUINE KEIHIN FCR 39MM CARBURETOR

COMES WITH 55MM AIRBOX ADAPTER INSTALLED

INSTANT THROTTLE RESPONSE AND MORE POWER THROUGHOUT THE THROTTLE RANGE

THIS PUMPER CARBURETOR OFFERS IS THE BEST BOLT-ON PERFORMANCE UPGRADE FOR 4 STROKE ENGINES

• Smooth bore for maximum air flow.
• Flat slide with vacuum release plate for best throttle response and flow control.
• Rollers on throttle valves and progressive linkage for smooth operation and control.
• Equipped with accelerator pump to eliminate flat spots.
• Designed for easy installations on popular motorcycles.
• A full range of spigots/adapters/velocity stacks/ is available.
• Easy jetting which can be done track-side.