Cobra 50 Carburetor 19mm Oval Bored to 21mmWe take a brand new 19mm carburetor and machine just the top of the bore to a 21mm with this you are keeping the low-end and mid-range of a 19mm but at the slide comes up to the top it is coming the top oval the oval bore and gaining more top end ..
Dellorto Carburetor 19mm With Pax Racing Spec Jetting - With this carburetor jetting is will run clean all the way through the power, most Dellorto's have a very bad spudder during mid throttle and this is the fix.Model ..