Whiteline Control Arm Upper Inner Bushing

2004–2007 Mazda RX-8 Base / 1.3L Rotary Engine

Part #: W63388

Overview

The Whiteline Control Arm Upper Inner Bushing is a high-quality replacement component designed specifically for the Mazda RX-8 from 2004 to 2007. If you're experiencing uneven tire wear, unbalanced braking, or a less predictable rear end during cornering, worn or damaged control arm bushings could be the culprit. Upgrading to Whiteline's synthetic elastomer bushings restores proper suspension geometry and enhances your vehicle's handling characteristics.

Engineered for enthusiasts who demand durability and performance, these bushings help maintain precise control of your RX-8's rear suspension. Whether you're a daily driver seeking improved ride quality or a spirited driver pushing your car through corners, these bushings provide a reliable solution to restore stability and confidence behind the wheel.

Key Features

Whiteline's control arm bushings are precision-engineered to fit your Mazda RX-8 perfectly, ensuring a straightforward installation process. Crafted from premium synthetic elastomer materials, these bushings offer long-lasting durability and resistance to the harsh conditions of daily driving and spirited use. The synthetic elastomer compound is designed to outperform traditional rubber bushings by providing better resistance to wear, heat, and environmental factors.

• Made from high-quality synthetic elastomer for enhanced durability and longevity
• Precisely engineered to restore factory suspension geometry and handling
• Designed to reduce unwanted movement and improve rear suspension response
• Resistant to oil, heat, and environmental degradation for reliable performance over time
• Easy to install with OEM specifications ensuring a perfect fit
• Helps eliminate uneven tire wear and unbalanced braking caused by worn bushings
• Contributes to a more predictable and stable rear end during cornering and maneuvering

Construction & Design

Whiteline's control arm bushings feature a precision-molded synthetic elastomer construction that offers a significant upgrade over factory rubber components. The bushings are designed with a one-piece housing that ensures consistent performance and durability. The materials used are selected for their resistance to heat, oil, and environmental factors, making them suitable for both daily driving and aggressive driving scenarios.

The design emphasizes maintaining proper suspension alignment and minimizing unwanted movement, which translates into improved handling and ride quality. The bushings are engineered to fit seamlessly into the OEM control arms, ensuring a hassle-free installation process without the need for modifications.

Installation & Fitment

The Whiteline Control Arm Upper Inner Bushing is a direct replacement for the original factory parts on your Mazda RX-8. Installation is straightforward for those with basic suspension repair experience, as it involves removing the control arm from the vehicle and pressing out the old bushings before pressing in the new ones. No cutting, drilling, or complex modifications are required. Proper tools and alignment checks are recommended to ensure optimal suspension performance after installation.

• Direct replacement for OEM upper inner control arm bushings
• Designed for easy installation with standard suspension tools
• No additional modifications or tuning required

What's Included

• Whiteline Upper Inner Control Arm Bushing (W63388)
• Installation instructions

Ideal For

• Mazda RX-8 owners seeking to restore suspension performance
• Enthusiasts looking to improve handling and cornering stability
• Drivers experiencing uneven tire wear or unbalanced braking due to worn bushings
• Anyone wanting a durable, long-lasting suspension upgrade