F150 Throttle Body Spacers are easy to install and look great. Throttle Body Spacers increase the gap between your air intake and engine block. F150 Throttle Body Spacers make driving your truck fun again. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Improve your Ford's appearance with F150 Throttle Body Spacers. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.