I got 2 set ups, 1 is with a true dellorto 19mm phbg carb, sweetest carb I've ever owned but pricey. The other setup is a 21mm saw carb setup & I just had to fab a flat plate for saw carb to bolt to dio setup. Let me know what carb you want to run & I can try & help set you up, karl is really good at this custom fabrication stuff as well, & I'm sure he will join in.