Cusco Brake Master Cylinder Stopper

2022–Present Toyota GT86 (ZN6) / GR 86 (ZN8) / Subaru BRZ (ZC6/ZD8) RHD Only

Part #: 965 561 A

Overview

The Cusco Brake Master Cylinder Stopper is a high-quality performance upgrade designed specifically for RHD Toyota GT86, GR 86, and Subaru BRZ models from 2022 onward. This component is engineered to enhance your vehicle's braking stability and response, providing a more confident and precise braking experience. Whether you're a spirited driver on the street or a track enthusiast, this stopper helps support improved brake feel and quicker pedal response, making your driving more predictable and controlled.

By reducing the flex of the firewall and the sheet metal to which the brake master cylinder is attached, the Cusco Brake Master Cylinder Stopper minimizes hydraulic pressure loss during hard braking. This results in a more direct and firm brake pedal feel, giving you better control during aggressive driving or emergency stops. It works effectively with both factory brake systems and upgraded brake components, making it a versatile addition for enthusiasts seeking improved braking performance.

Key Features

The Cusco Brake Master Cylinder Stopper is crafted from durable materials designed to withstand the rigors of high-performance driving. Its robust construction ensures long-lasting stability and consistent performance. The stopper is precisely engineered to fit the specific firewall contours of the RHD Toyota GT86, GR 86, and Subaru BRZ models, ensuring a secure and snug fit without the need for modifications.

• Constructed from high-strength steel for durability and stability
• Designed specifically for RHD models of Toyota GT86, GR 86, and Subaru BRZ (2022+)
• Reduces firewall flex during aggressive braking, improving pedal feel
• Supports both factory and upgraded brake systems for versatile performance
• Easy bolt-on installation with no need for drilling or cutting
• Enhances braking response and confidence during spirited driving
• Manufactured by Cusco, a trusted name in performance automotive components

Construction & Design

The Cusco Brake Master Cylinder Stopper features a precision-designed steel bracket that mounts securely to the firewall, directly stabilizing the brake master cylinder. Its compact and lightweight design ensures minimal intrusion into the engine bay while providing maximum reinforcement. The component is finished with a durable coating to resist corrosion and maintain its appearance over time. The design emphasizes ease of installation, requiring only basic hand tools and no modifications to your vehicle’s existing structure.

Performance & Sound

While primarily focused on enhancing brake feel and response, this stopper also contributes to a more solid pedal feel during hard braking. It does not alter the sound profile significantly but provides a noticeable improvement in braking stability, especially during aggressive driving or track use. The reduction in firewall flex translates to more predictable braking behavior, giving you greater confidence behind the wheel.

Installation & Fitment

The Cusco Brake Master Cylinder Stopper is a straightforward bolt-on upgrade designed for RHD Toyota GT86, GR 86, and Subaru BRZ models from 2022 onwards. No cutting, drilling, or complex modifications are required. The installation process typically involves removing the existing firewall brace and replacing it with the Cusco stopper using the supplied hardware. It is recommended to follow the included instructions for proper alignment and tightening to ensure optimal performance and safety.

• Easy, bolt-on installation with basic hand tools
• No cutting, drilling, or tuning required
• Suitable for both street and track use

What's Included

• Cusco Brake Master Cylinder Stopper bracket
• All necessary mounting hardware and bolts
• Installation instructions

Ideal For

• Enthusiasts seeking improved brake pedal feel and response
• Owners of Toyota GT86, GR 86, and Subaru BRZ (2022+) RHD models
• Drivers who push their vehicle during spirited driving or track days
• Anyone looking to enhance braking stability and confidence

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all regions. Please check local regulations before installation.