Since 1986 Ron's Fuel Injection has been providing the Easy to use Winning alternative to racing carburetors and complicated injection alternatives. We offer easy to use Racing Fuel Injection Systems and Components manufactured and assembled here in Tucson, AZ. Whether it's one of our Billet Terminator throttle bodies or the Legendary Mono Valve "Flying Toilet", we have the Injection System to get the most out of your Race Engine.