Throttle Body Injection is the Throttle Body Division of Guaranteed Carburetors, Inc. of Largo, Florida, which was established in 1979.

We take pride in providing you with remanufactured or new

throttle body injection , or multiport fuel injectors that can be installed on your automobile, truck or marine engine with little or no adjustment. All our remanufactured products come with a complete one year warranty.