Most anyone can build a carb that runs good wide open. It takes a carb builder that really knows what hes doing to make the carb do everything correctly. I have bought carbs from a bunch of different venders and Dom beats them all hands down no contest. Guy really knows his [censored] and wont BS you like the others i have dealt with. Davinci told me no one could build a 3 circuit for street like he could. Biggest piece of [censored] catb ever. Dom fixed it.