Demand respect with K1500 Pick-up. Throttle Body Spacers increase the gap between your air intake and engine block. Conquer conformity with K1500 Pick-up. Air is added to the combustion cycle more efficiently with Throttle Body Spacers. Be loud and proud with K1500 Pick-up. Throttle Body Spacers add horsepower. Get the added benefit of better mpg with a Throttle Body Spacer.