BLOX Racing Replacement Prothane Polyurethane Bushing

2013–2023 Subaru Impreza WRX / 2013+ Toyota 86 / Scion FR-S / Subaru BRZ / 2008–2014 Subaru Impreza WRX / 2008+ Subaru WRX / STI

Part #: BXSS-50010-BSH

Overview

The BLOX Racing Replacement Prothane Polyurethane Bushing for Rear Lower Control Arms is an essential upgrade for enthusiasts seeking to restore or enhance the handling and responsiveness of their Subaru and Toyota/Scion vehicles. Designed as a direct replacement for worn or damaged factory bushings, these high-quality polyurethane components help maintain proper suspension geometry and improve overall stability.

Ideal for street drivers, spirited enthusiasts, and those involved in autocross or track days, these bushings provide a firm yet durable connection between your vehicle's rear lower control arms and chassis. By replacing tired rubber bushings with these polyurethane alternatives, you'll experience more precise steering, reduced deflection, and improved feedback from the rear suspension, translating into a more confident driving experience.

Key Features

The BLOX Racing Prothane Polyurethane Bushings are engineered to deliver superior performance and longevity. Crafted from high-grade polyurethane sourced from Prothane USA, these bushings are designed to withstand the rigors of daily driving and aggressive driving alike. The key features include:

• High-quality polyurethane construction from Prothane USA, ensuring durability and resistance to wear, cracking, and environmental factors.
• Direct OEM replacement design, ensuring perfect fitment and straightforward installation without modifications.
• Enhanced stiffness compared to factory rubber bushings, reducing unwanted movement and flex in the rear lower control arms.
• Improved suspension response and handling precision, especially during cornering and spirited driving.
• Resistant to oil, grease, and other automotive fluids, maintaining performance over time.
• Designed specifically for the 2013+ Toyota 86, Scion FR-S, Subaru BRZ, and Subaru Impreza WRX models from 2008-2023, covering a broad range of vehicle years and configurations.

Construction & Design

The BLOX Racing bushings are manufactured from premium polyurethane, which offers a significant upgrade over traditional rubber components. The material's stiffness helps eliminate unwanted suspension deflection, providing a more direct connection between the control arms and chassis. The bushings are precisely molded to match OEM specifications, ensuring a seamless fit and easy installation.

Designed with durability in mind, these bushings resist cracking, tearing, and degradation caused by exposure to heat, oil, and road debris. Their robust construction ensures consistent performance over the lifespan of your vehicle, maintaining optimal suspension geometry and handling characteristics.

Installation & Fitment

The BLOX Racing Replacement Prothane Polyurethane Bushings are designed as bolt-on replacements, requiring no modifications to your vehicle's suspension components. Installation involves removing the existing worn bushings and pressing in the new polyurethane units. Basic suspension tools and knowledge are recommended, but the process is straightforward for those familiar with suspension work. No cutting, drilling, or tuning is necessary, and the bushings are engineered to fit OEM control arms precisely.

• Direct replacement for factory bushings
• No additional modifications required
• Installation typically takes 1–2 hours depending on experience

What's Included

• Prothane polyurethane bushings for rear lower control arms
• Installation instructions

Ideal For

• Owners looking to restore or improve suspension responsiveness
• Performance enthusiasts seeking better handling during spirited driving
• Drivers wanting a more direct and predictable rear suspension feel
• Anyone replacing worn or degraded factory bushings on compatible models