The carb of choice, much easier to set up than the standard offering and an increase in power on their own.
Full kit with model specific aluminium adaptors, and quick fit ram pipes. etc
ready spaced for the larger inlet stubs on K7 to F2 1977/8
Road bikes stick with cr29, (slightly cheaper too) Highly tuned big bore race bikes use the CR31
Note, these are normally special order, usually delivered in a week, but the common sizes are stocked so please call to discuss.