Keep up the tradition with R20 Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. Complete the restoration with new R20 Throttle Body Spacers. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Switch up your style with replacement R20 Throttle Body Spacers. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.