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Engineered for 4.6L and 5.4L 3V Modular Performance

The 3-valve Modular engine platform is a popular choice for performance enthusiasts, but it demands high-quality fasteners to maintain structural integrity. The ARP 156-5901 Main Stud Kit is designed to provide the ultimate in main cap security for 4.6L and 5.4L 3V engines, featuring specific provisions for windage tray installation.

Why Upgrade to ARP?

• Unmatched Strength: Made from 8740 chromoly steel, providing significantly higher clamping force than OEM bolts.
• Windage Tray Compatible: Designed to accommodate factory or aftermarket windage trays for better oil control.
• Precision Engineering: Each stud is centerless ground to ensure perfect concentricity and fitment.
• Durability: Heat-treated to 200,000 psi to handle the most demanding performance applications.

Using ARP studs is the best way to ensure your engine's bottom end can handle the heat and pressure of high-performance driving. By providing a more stable environment for your main bearings, these studs help extend the life of your engine and prevent the common issues associated with main cap movement. Whether you are building a street-strip engine or a dedicated race motor, this kit provides the reliability you need. Don't leave your engine's foundation to chance; choose the industry-leading quality of ARP. Shop the full range of engine components at GGCRACING.