Whiteline Control Arm Lower Inner Bushing

2004–2011 Mazda RX-8 Base

Part #: W63387

Overview

The Whiteline Control Arm Lower Inner Bushing is a high-quality replacement component designed specifically for the Mazda RX-8 from 2004 to 2011. 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 your vehicle's handling precision, safety, and driving confidence.

Engineered for enthusiasts who demand durability and performance, these bushings help maintain proper alignment and suspension geometry, ensuring your Mazda RX-8 responds accurately to your inputs. Whether you're a daily driver looking for improved ride quality or a spirited driver seeking sharper handling, these bushings are an excellent upgrade to support your driving goals.

Key Features

Whiteline's control arm bushings are precision-engineered to provide a direct replacement for the factory parts, offering a significant upgrade in durability and performance. Crafted from premium synthetic elastomer material, these bushings are designed to withstand the harsh conditions of street driving and spirited cornering. The high-quality construction ensures long-lasting performance, resisting cracking, hardening, and deterioration over time.

• Made from durable synthetic elastomer for long-lasting performance and resistance to wear
• Precision-engineered to match OEM specifications for a perfect fit and easy installation
• Reduces unwanted movement and improves rear suspension stability
• Helps eliminate uneven tire wear and enhances braking consistency
• Designed to endure years of abuse, maintaining optimal handling characteristics
• Contributes to a more predictable and confident driving experience
• Manufactured by Whiteline, a trusted name in suspension and chassis components

Construction & Design

These control arm bushings feature a one-piece design crafted from high-grade synthetic elastomer, which offers superior durability and flexibility compared to traditional rubber bushings. The precision molding process ensures a perfect fit, reducing installation time and ensuring reliable performance. The bushings are engineered to absorb vibrations and road shocks effectively, contributing to a smoother ride while maintaining precise suspension control.

Installation & Fitment

The Whiteline Control Arm Lower Inner Bushing is a direct bolt-on replacement for the factory bushings. No cutting, drilling, or special modifications are required for installation. The process typically involves removing the control arm from the vehicle, pressing out the old bushings, and pressing in the new Whiteline bushings using standard tools. For best results, it is recommended to have the installation performed by a qualified suspension technician. Proper alignment after installation is also advised to ensure optimal handling and tire wear.

• Designed for easy installation with common hand tools and press equipment
• Compatible with 2004–2011 Mazda RX-8 Base models
• Replaces factory control arm bushings for improved handling and durability

What's Included

• Whiteline Control Arm Lower Inner Bushing (W63387)
• Installation instructions (if provided)

Ideal For

• Owners of Mazda RX-8 (2004–2011) seeking to restore or improve suspension performance
• Performance enthusiasts aiming for sharper handling and more predictable cornering
• Drivers experiencing uneven tire wear or rear suspension instability
• Anyone looking for a durable, long-lasting bushing upgrade to enhance vehicle safety and driving confidence