Steeda Billet aluminum throttle body spacers will add power to your ride. The perfect compliment to a cold air intake or bigger throttle body, this easy to install and cost effective piece works and will also help improve fuel mileage. Featuring a unique swirl design that promotes airflow and increases plenum volume, this throttle body spacer will give you the extra amount of power you want from your engine. Made from high quality 6061 aluminum each spacer comes complete with gasket and hardware.