PowerAid Throttle Body Spacer 1997-2004 Expedition & 2004-2004 F150 Heritage & 1997-2003 F150 & 1998-1999 Navigator 5.4L V8

AirAid PowerAid Throttle Body Spacer 400-591

The PowerAid® Throttle Body Spacer was developed to enhance your vehicle's off idle to mid range performance and efficiency. Airaids unique "Helix Bore" design allows the PowerAid to create a spinning action of the incoming air. When air passes through your throttle body, The PowerAids helical effect causes the air molecules to organize and maintain high velocity. This organization and high velocity of the air molecules is extremely beneficial because it helps to provide a superior atomized mixture of fuel and air all the way into the combustion chamber. The benefits you will see are tremendous low end torque gains, as well as a potential increases in fuel economy.

AirAids PowerAid Throttle Body Spacers are manufactured using the highest quality Aircraft Grade Billet 6061-T6 Aluminum. Each PowerAid is specifically designed for your application. AirAid PowerAid kits include all of the necessary gaskets, as well as hardware and precision brackets to maintain proper geometry with the factory components. And PowerAid Spacer can be installed in less than an hour using simple hand tools. No drilling or cutting is required.