If your looking for a professionally prepared "off the shelf" performance carburetor at an affordable price .... we've got your carb! The "HO-Series" was designed with the Pro-Street and bracket racer in mind featuring clean idle, crisp throttle response, and killer acceleration. These carburetors are equally at home on the street or race track and should be in stock at a performance dealer near you. "HO Carburetors" are available in 650, (2)750, 850, 950, 1000 double pumper models currently and include all the features listed below. "HO"s are designed for single four barrel normally aspirated engines.