Superpro Rear Toe Control Arm Outer Lower Bushing Kit

2016–2023 Mazda MX-5 Miata / 2017–2020 Fiat 124 Spider (All Submodels)

Part #: SPF5551K

Overview

The Superpro Rear Toe Control Arm Outer Lower Bushing Kit is designed to enhance the handling and stability of your Mazda MX-5 Miata ND and Fiat 124 Spider. This high-quality suspension component replaces the factory bushings with durable, performance-oriented parts that help maintain proper wheel alignment and improve overall driving dynamics. Whether you're a spirited street driver, a track enthusiast, or someone seeking to restore factory precision, this kit provides a reliable upgrade to your vehicle's rear suspension system.

By installing these bushings, you'll experience improved responsiveness during cornering, better control over wheel movement, and increased confidence behind the wheel. The Superpro kit is engineered to withstand the rigors of aggressive driving while offering a smooth, comfortable ride during daily commuting. It's an ideal choice for enthusiasts looking to optimize their vehicle's suspension performance without sacrificing reliability or comfort.

Key Features

The Superpro Rear Toe Control Arm Outer Lower Bushing Kit incorporates advanced materials and design features to deliver superior performance and durability. Here are some of the key aspects:

• Constructed from high-quality polyurethane, these bushings resist wear, cracking, and deformation, ensuring long-lasting performance even under demanding conditions.
• Designed with a precise fit to restore factory geometry and alignment, helping to maintain optimal tire contact and reduce uneven tire wear.
• Engineered to improve rear suspension response, providing sharper handling and more predictable steering feedback.
• Reduces unwanted movement and play in the rear toe control arms, contributing to improved stability during spirited driving or cornering.
• Manufactured by Superpro, a trusted name in suspension components, known for their rigorous testing and quality assurance.
• Easy to install with no modifications required, making it suitable for DIY enthusiasts and professional mechanics alike.
• Resistant to oil, dirt, and other contaminants, ensuring consistent performance over time.
• Designed to meet or exceed OEM specifications for fitment and durability, providing a cost-effective upgrade for your suspension system.

Construction & Design

The Superpro bushings are crafted from premium polyurethane material, which offers a significant upgrade over traditional rubber bushings. Polyurethane provides enhanced stiffness and resistance to environmental factors, ensuring that the bushings maintain their shape and performance over years of use. The design features a one-piece construction with precision-machined components that fit seamlessly into your vehicle's rear suspension assembly.

The bushings are engineered to reduce deflection and improve suspension geometry, which translates into more precise handling and better feedback. The kit's robust construction ensures durability against impacts, vibrations, and temperature fluctuations, making it suitable for both street and track use. Superpro's CAD-developed designs guarantee a perfect fit, ensuring that installation is straightforward and that the bushings perform reliably in demanding conditions.

Installation & Fitment

The Superpro Rear Toe Control Arm Outer Lower Bushing Kit is a direct replacement for the factory bushings and is designed for easy installation. No cutting, drilling, or specialized tools are required, and the process can typically be completed with standard suspension service tools. Proper alignment after installation is recommended to ensure optimal handling and tire wear.

Installation involves removing the rear toe control arms from the vehicle, pressing out the old bushings, and pressing in the new polyurethane bushings. The process is straightforward for experienced DIYers or professional technicians. The kit is compatible with 2016–2023 Mazda MX-5 Miata models and 2017–2020 Fiat 124 Spider models across all submodels, including the Abarth, Lusso, and Club trims.

Once installed, you'll immediately notice improved suspension response and handling precision, making your driving experience more engaging and confident.

What's Included

• Outer lower rear toe control arm bushings (set of four)
• Installation hardware and instructions

Ideal For

• Enthusiasts seeking to improve rear suspension stability and handling
• Owners restoring or upgrading their Mazda MX-5 Miata ND or Fiat 124 Spider
• Drivers who want more precise steering response and reduced wheel play
• Track day participants and spirited street drivers