Spectre Power Plate Throttle Body Spacers make power two ways, by providing added volume to the intake manifold and directing air through a tapered internal constriction. The spacers utilizes the Venturi effect to increase the speed of air flowing into your intake manifold. Spectre has designed a number of kits to fit a wide range of specific applications. Each kit includes the necessary gaskets and hardware to bolt directly to the factory components, making installation quick and easy.