aFe POWER

Fits 2003–2009 Toyota 4Runner V6 4.0L and 2010–2014 Toyota FJ Cruiser V6 4.0L

Part #: 46-39103

Overview

The aFe POWER 76mm Billet Throttle Body and adapter kit is designed to enhance the airflow capacity of your vehicle's intake system. Crafted from high-quality 6061-T6 billet aluminum, this throttle body offers a precise fit and exceptional durability. It is an ideal upgrade for enthusiasts seeking improved throttle response, increased horsepower, and a more aggressive engine feel. Compatible with OEM or aFe cold air intakes, this kit seamlessly integrates into your vehicle’s existing setup, providing a straightforward upgrade path for performance-minded drivers. Whether you’re looking to optimize your vehicle’s airflow for better acceleration or to support further modifications, this throttle body helps unlock additional engine potential. Its lightweight construction and precision machining ensure a high-quality fit and finish, making it a reliable choice for both daily drivers and performance enthusiasts.

Key Features

This 76mm throttle body features a carefully engineered design aimed at maximizing airflow efficiency and throttle response. Its serrated and swirl combination design promotes better air mixing and distribution, contributing to smoother engine operation. The kit includes all necessary adapters for easy installation, ensuring compatibility with your vehicle’s existing intake system. Built from durable billet aluminum, it withstands the rigors of high-performance driving while maintaining a lightweight profile for optimal response.

• Constructed from 6061-T6 billet aluminum for strength and light weight
• Precision machined for a perfect fit and high-quality finish
• Increases airflow over stock 65mm throttle bodies for improved throttle response
• Designed to work with OEM or aftermarket cold air intake systems
• Features a serrated/swirl design to optimize air mixing and engine efficiency
• Includes adapters for straightforward installation

Construction & Design

The throttle body is machined from 6061-T6 billet aluminum, a material known for its excellent strength-to-weight ratio and corrosion resistance. The design incorporates a 76mm bore, providing a significant airflow increase over the stock 65mm unit. The serrated and swirl pattern enhances air mixing, promoting more efficient combustion and smoother throttle response. The adapters are precisely machined to ensure a secure, leak-free fit with your vehicle’s existing intake components.

Driving Feel & Feedback

Upgrading to this larger throttle body can result in more immediate throttle response and a more responsive driving experience. The increased airflow capacity supports better acceleration and engine responsiveness, especially when combined with other performance modifications. Drivers may notice a more direct connection between pedal input and engine output, contributing to a more engaging drive.

Installation & Fitment

The kit includes all necessary adapters for a direct bolt-on installation. It is designed to integrate seamlessly with your vehicle’s OEM or aftermarket cold air intake systems, requiring basic mechanical skills for installation. Proper fitment ensures optimal performance and durability.

What’s Included

The package includes the 76mm billet throttle body, adapters, and all hardware required for installation.