SPL Parts Rear Spherical Knuckle Bushing Kit

Fitment: 2016-2023 Mazda MX-5 Miata (ND)

Part #: SPL RKB ND

Overview

The SPL Parts Rear Spherical Knuckle Bushing Kit is designed to enhance the handling and responsiveness of your 2016-2023 Mazda MX-5 Miata (ND). This kit replaces the factory rubber-injected bushings with high-performance spherical bearings, providing a more direct and precise connection between the suspension components. Ideal for enthusiasts seeking improved steering feel, reduced deflection, and a more engaged driving experience, this kit helps you push your vehicle to its limits with confidence. Whether you’re on the street or the track, these bushings support a more responsive rear suspension, translating to sharper turn-in and better overall control.

Key Features

This kit features durable, high-quality materials designed for performance and longevity. The spherical bearings are machined from billet aluminum and include precision-engineered metal sleeves for a secure fit. The design eliminates deflection and compliance inherent in OEM rubber bushings, resulting in a more direct transfer of forces during aggressive driving. The kit is engineered to withstand the rigors of spirited driving while maintaining a high level of durability. Installation involves replacing the stock bushings with these spherical units, providing a significant upgrade in suspension response without extensive modifications.

Construction & Design

The bushings are constructed from billet aluminum with high-grade spherical bearings, ensuring strength and durability. The design focuses on reducing unwanted movement and flex, offering a more predictable and controlled rear suspension behavior. The precision machining and high-quality materials ensure a long-lasting, reliable upgrade that maintains proper alignment and handling characteristics.

Driving Feel & Feedback

By replacing the OEM rubber bushings with spherical bearings, this kit significantly improves steering response and rear suspension feedback. Drivers will notice a more direct connection to the road, with reduced mushiness and increased confidence during aggressive cornering. The enhanced feedback allows for better vehicle control and a more engaging driving experience, especially on twisty roads or track days.

Installation & Fitment

Installation requires removal of the existing rear knuckle bushings and pressing in the spherical units. Basic suspension tools and mechanical skills are recommended for proper installation. Fitment is designed specifically for the 2016-2023 Mazda MX-5 Miata (ND), ensuring a precise and secure upgrade.

What’s Included

The kit includes all necessary spherical bushings, sleeves, and hardware required for installation, providing a complete upgrade solution for your rear suspension.