Drop the top and have some fun with new Sunbird Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. Sunbird Throttle Body Spacers are a great upgrade. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Look no further for your Sunbird Throttle Body Spacers. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.