Airaid PowerAid Throttle Body Spacer

Fits 1997–2003 Ford F-150 and 1997–2004 Ford Expedition with 5.4L Engine

Part #: 400-591

Overview

The Airaid PowerAid Throttle Body Spacer is a performance upgrade designed to improve off-idle torque and mid-range power for your Ford F-150 or Expedition equipped with a 5.4L engine. Crafted to enhance throttle response and overall drivability, this spacer is ideal for enthusiasts seeking better acceleration and more responsive engine performance. Its innovative design helps optimize air intake flow, contributing to a more efficient combustion process and a more engaging driving experience. Constructed with precision engineering, the PowerAid Spacer features a patented Helix Bore design that spins the incoming air charge as it passes through the throttle body. This spinning action increases air velocity, promotes better atomization of the air/fuel mixture, and supports smoother engine operation across a broad RPM range. The result is improved throttle response, increased mid-range torque, and enhanced overall engine efficiency, making it a practical upgrade for daily driving or towing applications.

Key Features

This throttle body spacer is engineered with high-quality materials to ensure durability and reliable performance. Its unique Helix Bore design is tailored to maximize airflow dynamics, helping your engine breathe better and respond more quickly. Easy to install with minimal modifications, it provides a cost-effective way to boost your vehicle’s mid-range power and throttle feel. The spacer’s compact profile fits seamlessly between the throttle body and intake manifold, making it a straightforward upgrade for your existing setup.

• Patented Helix Bore design spins incoming air for better atomization
• Supports increased off-idle torque and mid-range power
• Constructed from durable, high-quality materials
• Easy bolt-on installation with minimal tools required
• Designed specifically for 1997–2003 Ford F-150 and 1997–2004 Expedition 5.4L engines
• Enhances throttle response and engine efficiency