Cusco Rear Differential Mount Collar Set

2013–2024 Subaru BRZ / 2013–2016 Scion FR-S / 2017–2021 Toyota GT86 / 2022+ Subaru GR86 2.0L / 2.4L

Part #: 965 928 B

Overview

The Cusco Rear Differential Mount Collar Set is designed to enhance the stability and handling of your Subaru BRZ, Scion FR-S, Toyota GT86, or Subaru GR86. These high-quality collars address the common issue of rear differential movement that occurs under spirited driving or load conditions. By preventing rubber deformation and excessive play, this set ensures your drivetrain remains more responsive and predictable, especially during aggressive cornering or acceleration.

If you're a driving enthusiast seeking improved control and a more connected feel from your vehicle, these differential collars are an excellent upgrade. They are ideal for street-driven cars, track days, or any application where maintaining precise differential positioning contributes to better handling and driver confidence. The result is a smoother, more stable driveline experience that complements your vehicle's sporty character.

Key Features

The Cusco Rear Differential Mount Collar Set incorporates advanced design and durable materials to deliver superior performance and longevity. Here are some of the key features:

• Constructed from high-strength aluminum alloy for lightweight durability and corrosion resistance.
• Precisely machined collars that fit snugly around the factory differential bushings, eliminating unwanted movement.
• Designed to prevent rubber deformation and reduce differential play under load, ensuring consistent power transfer.
• Easy bolt-on installation that requires no modifications or special tools, making it suitable for DIY enthusiasts and professional installers alike.
• Enhances overall vehicle stability, especially during aggressive driving, by maintaining proper differential alignment.
• Reduces drivetrain slack, contributing to improved throttle response and cornering performance.
• Manufactured with quality craftsmanship to withstand the rigors of spirited driving and track use.

Construction & Design

The Cusco Differential Mount Collar Set features a precision-machined aluminum construction that offers a perfect balance of strength and weight savings. The collars are designed to fit tightly around the factory bushings, effectively limiting unwanted movement without adding excessive stiffness. This design ensures that the differential remains securely in place during high-load conditions, translating to more precise handling and a more direct connection between the engine and wheels.

The collars are engineered with exact tolerances to ensure a seamless fit, and their corrosion-resistant finish guarantees long-lasting performance. The straightforward installation process allows you to upgrade your vehicle's handling characteristics without extensive modifications, making it a popular choice among enthusiasts looking to improve their car's driveline stability.

Installation & Fitment

The Cusco Rear Differential Mount Collar Set is designed for a straightforward bolt-on installation. No cutting, drilling, or complex modifications are required. The set mounts directly onto the factory differential bushings, providing a secure fit that enhances overall stability. Basic hand tools and a lift or jack are sufficient for installation, and Cusco provides detailed instructions to guide you through the process. Expect a typical installation time of approximately 1–2 hours, depending on your experience.

• Direct bolt-on replacement for factory bushings
• No additional modifications or tuning required
• Suitable for street, track, and spirited driving applications

What's Included

• Set of two aluminum differential mount collars
• Installation hardware and mounting brackets
• Comprehensive installation instructions

Ideal For

• Enthusiasts seeking improved handling and stability
• Owners of Subaru BRZ, Scion FR-S, Toyota GT86, or Subaru GR86
• Drivers who participate in track days or spirited street driving
• Anyone looking to reduce drivetrain slack and enhance vehicle responsiveness