Make for the hills with Sequoia Throttle Body Spacers. Throttle Body Spacers increase the gap between your air intake and engine block. Sequoia Throttle Body Spacers are essential. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Many Sequoia Throttle Body Spacers are available. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.