AMS Performance Alpha Main Stud Kit Nissan GT-R 2009-2021 | ALP.07.04.0009-1

Product Fitment: 

2009-2021 Nissan GT-R

Upgrade your engine build with the Alpha R35 GT-R Main Stud Kit, engineered to provide superior clamping force and long-term durability for high-performance applications. Whether you're rebuilding your VR38DETT or pushing serious boost, these main studs are designed to deliver the strength and reliability your build demands.

Built from premium L19 alloy steel, Alpha main studs are capable of achieving up to 50% higher clamp loads than factory hardware, helping maintain main cap stability under extreme cylinder pressures and high horsepower conditions.

🔧 Key Benefits

• Premium L19 Alloy Steel – Exceptional tensile strength and fatigue resistance

• Up to 50% Higher Clamp Load vs. OEM – Improved bottom-end stability

• Stock Stud Size – Direct replacement with no machining required

• Ideal for High-Boost & Built Engines – Designed for serious performance applications

• Long-Term Reliability – Reduces risk of cap walk and bottom-end distortion

📌 Installation Notes

• Torque Procedure:

  • First pass: 55 ft-lbs

  • Final torque: 80 ft-lbs

  • Use the supplied Moly Lube during installation

Proper torque sequencing and lubrication are critical to achieving correct clamp load and performance.

Why Upgrade to Alpha Main Studs?

When investing time and money into an engine build, reinforcing the bottom end is essential. The factory fasteners are adequate for stock power levels, but increased boost and horsepower demand stronger hardware. Alpha’s L19 main studs provide the clamping force needed to keep main caps secure under high stress, making them a smart upgrade for street, drag, or high-horsepower builds.

Do it right the first time — secure your build with Alpha Main Studs.