Enjoy the air with new Corvair Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. Watch them stare with Corvair Throttle Body Spacers. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Show off your Classic Chevy by upgrading your Corvair Throttle Body Spacers. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.