The most popular mod for an all-around performance boost. An adrenalized version of the Super BN series. Extensive race testing for higher air and fuel flow.
Uses primer fitting with butterfly choke removed for increased airflow (primer kit necessary). Special needle valves and ...The most popular mod for an all-around performance boost. An adrenalized version of the Super BN series.
Extensive race testing for higher air and fuel flow. Uses primer fitting with butterfly choke removed for increased airflow (primer kit necessary). Special needle valves and springs give optimum pop-off for a strong mid-range.
Larger high- and low-speed jets for great response and killer top end. Jetted for applications using aftermarket manifold and flame arrestor 2.3 made with Viton needle valve, #100 pilot jet and #125 main (high) jet.