Perfect add-on for our Big Bore kits and pipe. Increase power throughout the RPM range. Includes 2 manifolds. One special manifold designed specifically for the CRF/XR50 head and another for CRF/XR70 (large port) style heads.
• 18mm Keihin Carb
• Special manifold sized for the CRF/XR50 head
• Special manifold sized for the large port heads (XR70 and aftermarket)
• Includes gaskets and bolts
• Includes throttle and cable
• Includes 5 main jets and 3 pilot jets