EC Carburetors is the lead designer and developer of Tillotson R and RS engines including the 196R. EC Carburetor designed the head, reinforced blocks, PK carburetors and more. Our goal for the Tillotson 196R is the first spec’d Clone engine for the box stock engine to be produced by a major company to ensure the quality of components and engine performance. This is accomplished with collaboration of established importers, engine builders, carburetor builders and tech officials. This is a united effort to bring the best engine and components to the US karting market to give racers a great racing engine without the need of blueprinting, engine builder with parts that will reach the full potential of their talents and knowledge and for organizations & clubs to have a consistent engine that will not require technical rule changes that will stabilize their efforts to give fair and exciting kart racing for all.