Airaid 04-10 Ford F-150 5.4L - 24V Triton / 05-08 F-250 5.4L / 2010 Raptor 5.4L PowerAid TB Spacer. Title: AIRAID AIR-400-531 AIRAID Throttle Body Spacer. Manufacturer: Airaid. The AIRAID Throttle Body Spacer is designed to enhance mid-range torque using a patented Helix Bore which spins intake air going through the throttle body spacer.
