Description
High-Performance Half Shaft. The Ford Performance Half Shaft; Passenger Side is engineered to replace the right side production half shaft assembly with a severe duty and serviceable design. It is designed to handle high horsepower outputs while maintaining drivetrain reliability, making it essential for performance Mustang applications.
Construction and Appearance. This half shaft is CNC-machined from aerospace-grade high-alloy materials, featuring billet one-piece splines for strength. It is coated with a blue powder finish, offering enhanced corrosion resistance and a professional appearance.
Installation. Installation is straightforward as it serves as a direct replacement part, requiring no drilling or major modifications. Professional installation is recommended to ensure optimal fitment and performance.
Warranty. A warranty is available, providing coverage for product integrity and reliability.
Application. Designed to fit 2015-2026 Mustang GT, EcoBoost, GT350, and Dark Horse models, this half shaft excludes compatibility with 2020 and newer GT500 variants due to design differences.
Ford Performance M-4138-MA
CA Residents: WARNING: Cancer and Reproductive Harm
- Direct Replacement For Right Side Production Half Shaft Assembly
- Severe Duty Serviceable Cv Joints With Cnc Billet Centers Support Up To 1,500hp
- Cnc-Machined From Aerospace High-Alloy Materials
- Billet One-Piece 34-Spline Inner And 32-Spline Outer Stub Ends
- Axle Shafts Feature Anti-Wheel Hop Technology
- Shafts Feature Blue Powder Coating For Corrosion Resistance
- Built By G-Force Engineering Available Through Ford Performance Parts
- Off-Road Use Only
- Fits 15-26 Mustang GT, EcoBoost, GT350, Dark Horse
| Brand | Ford Performance |
| Spline Count | 34-Spline Inner; 32-Spline Outer |
| Axle Placment | Rear |






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