Torque Solution Solid Billet Differential Bushing Kit

2020–2026 Toyota GR Supra / BMW Z4

TS-GR-722

Overview:

The Torque Solution Solid Billet Differential Bushing Kit is engineered specifically for the 2020 to 2026 Toyota GR Supra MKV (A90/A91) and BMW Z4 G29 models. Designed to replace the factory rubber differential bushings, this kit enhances drivetrain rigidity and improves power transfer to the wheels. Whether you are a daily driver seeking improved vehicle response or a performance enthusiast aiming for sharper handling, this upgrade delivers a noticeable improvement in throttle response and overall driving dynamics.

By eliminating the compliance and flex inherent in stock bushings, this kit provides a more direct connection between the differential and chassis, resulting in enhanced stability during acceleration, cornering, and spirited driving.

Key Features:

This solid billet differential bushing kit offers a range of benefits and technical advantages:

• Constructed from high-quality billet aluminum for superior strength and durability compared to factory rubber bushings.
• Precision CNC-machined components ensure exact fitment and consistent performance.
• Reduces differential movement and drivetrain lash, improving power delivery and throttle response.
• Enhances vehicle handling by providing a more rigid rear end connection, especially beneficial during aggressive driving or track use.
• Corrosion-resistant finish for long-lasting performance and reliability.
• Direct bolt-on replacement using factory mounting points—no modifications required.
• Compatible with both Toyota GR Supra MKV (A90/A91) and BMW Z4 G29 chassis from 2020 through 2026.

Construction & Design:

The kit features solid billet aluminum bushings that replace the factory rubber components prone to flex and wear. CNC machining ensures tight tolerances and a perfect fit, maintaining proper alignment of the differential within the chassis. This design choice significantly reduces unwanted movement and enhances drivetrain feedback without compromising durability.

The billet aluminum construction also offers excellent resistance to heat and environmental factors, ensuring consistent performance over time. By replacing the softer rubber bushings, the Torque Solution kit provides a more direct mechanical connection, improving the overall feel and responsiveness of your vehicle’s rear end.

Installation & Fitment:

This differential bushing kit is designed for straightforward installation on the 2020–2026 Toyota GR Supra and BMW Z4 models. It utilizes the factory mounting points and hardware, allowing for a clean bolt-on upgrade without the need for cutting, drilling, or special tuning.

• Direct replacement for factory differential bushings
• No modifications to chassis or drivetrain components required
• Compatible with stock and lightly modified vehicles

What's Included:

• Billet aluminum differential bushings
• All necessary mounting hardware
• Installation instructions

Ideal For:

This kit is ideal for Toyota GR Supra and BMW Z4 owners who want to improve drivetrain rigidity and vehicle responsiveness. It is especially beneficial for:

• Performance enthusiasts seeking sharper throttle response and improved handling
• Drivers who participate in track days or spirited driving
• Owners looking to upgrade factory components for enhanced durability and feedback
• Daily drivers wanting a more connected and confident driving experience

Torque Solution manufactures made-in-the-USA billet and performance drivetrain/chassis parts like engine mounts, shifter bushings, short shifters, and other bolt-on upgrades. Their components are designed to reduce drivetrain movement and tighten driver feel—popular with sport-compact and performance enthusiasts who want sharper response and more precise shifting under hard driving.