SPL Parts Rear Spherical Knuckle Bushing Kit

Part #: SPL RKB E36

Overview

The SPL Parts Rear Spherical Knuckle Bushing Kit is designed to upgrade the rear suspension of select BMW models, specifically targeting the 1999-2000 BMW 328i (E46). This kit replaces the stock rubber bushings with high-performance spherical bearings, providing a more direct and responsive connection between the suspension components and the chassis. It is ideal for enthusiasts seeking improved handling, precise feedback, and enhanced suspension stability. Whether you're a track day enthusiast or a street driver looking for a more engaged driving experience, this bushing kit helps maintain optimal suspension geometry under load, reducing flex and unwanted movement that can compromise handling and steering response. The result is a more predictable and confident driving experience, especially during aggressive cornering and spirited driving.

Key Features

This bushing kit features durable FK Racing Bearings with a self-lubricating Teflon liner, ensuring long-lasting performance and minimal maintenance. The spherical design eliminates bushing flex and bind, allowing for more accurate suspension articulation. Crafted from high-quality materials, these bushings are engineered to withstand the stresses of dynamic driving while maintaining structural integrity. The design helps reduce camber and toe changes under load, supporting consistent alignment and handling characteristics. Installation is straightforward for those familiar with suspension upgrades, and the kit is intended to provide a significant upgrade over stock rubber bushings for improved responsiveness and feedback.

Construction & Design

The kit utilizes precision-machined spherical bearings housed in robust, corrosion-resistant housings. The use of high-grade materials ensures durability and consistent performance over time, even under demanding driving conditions. The design focuses on reducing unwanted movement and providing a more direct transfer of forces from the suspension to the chassis, enhancing overall handling.

Driving Feel & Feedback

By replacing the stock bushings with spherical bearings, this kit offers a more immediate and engaged driving feel. Drivers will notice improved steering response, better feedback through the wheel, and increased stability during aggressive maneuvers. The reduction in bushing flex translates to more predictable handling and a more connected driving experience.

Installation & Fitment

Installation requires basic suspension knowledge and tools. Proper alignment after installation is recommended to ensure optimal handling characteristics. Fitment should be verified against the vehicle's specifications and the part number provided.

What’s Included

The kit includes all necessary spherical bearings, housings, and hardware required for installation, ensuring a complete upgrade for your vehicle’s rear knuckle suspension.