Whiteline Control Arm Upper Bushing Kit

Part #: KCA452

Overview

The Whiteline Control Arm Upper Bushing Kit is designed to enhance the handling and stability of your Mazda MX-5 Miata from 1990 to 2005. This kit replaces the factory bushings with high-performance components that help improve suspension response and reduce unwanted movement, resulting in a more precise and confident driving experience. Ideal for enthusiasts seeking to upgrade their vehicle’s suspension for better cornering, reduced body roll, and improved overall ride quality, this kit is a direct replacement that supports your vehicle’s dynamic capabilities without compromising comfort. Constructed from durable polyurethane, these bushings resist wear and deformation over time, maintaining optimal suspension geometry and responsiveness. The design ensures a tight fit and long-lasting performance, making them suitable for both street and track use. Whether you’re restoring a classic MX-5 or upgrading your existing suspension setup, these bushings help you achieve a more engaging driving feel with improved handling characteristics.

Key Features

Designed to provide a firm yet controlled suspension feel, the Whiteline Upper Control Arm Bushing Kit offers several key benefits:

• Made from high-quality polyurethane for durability and longevity
• Precisely engineered to restore factory suspension geometry
• Reduces unwanted bushing deflection for improved handling
• Helps maintain proper alignment and tire contact patch
• Easy to install with standard tools, suitable for DIY or professional installation
• Resistant to oil, dirt, and other contaminants common in automotive environments
• Supports enhanced steering response and vehicle stability

Construction & Design

The bushings are crafted from a high-grade polyurethane compound that balances stiffness and flexibility, ensuring consistent performance under various driving conditions. The design incorporates precision machining to ensure a perfect fit within the control arm, reducing noise and vibration while maximizing suspension efficiency.

Driving Feel & Feedback

Replacing the factory bushings with these polyurethane components results in a more direct and responsive steering feel. Drivers will notice improved turn-in response and reduced body roll, especially during aggressive cornering. The enhanced suspension stability provides greater confidence and control, making your MX-5 Miata more enjoyable to drive on twisty roads or the track.

Installation & Fitment

Installation involves removing the existing upper control arm bushings and pressing in the new polyurethane units. Basic mechanical skills and standard tools are sufficient for installation. Fitment should be verified against your vehicle’s specific model year and suspension configuration to ensure compatibility.

What’s Included

The kit includes all necessary polyurethane bushings for the upper control arm, along with installation instructions. Hardware or additional components are not included and may need to be sourced separately based on your vehicle’s needs.