ARP 256-4201 Pro Series Head Stud Kit for 1996-2011 Ford 4.6L & 5.4L 2V/4V Modul

Vehicle Fitment

• 1996-2011 Ford 4.6L & 5.4L 2V/4V Modular V8 engines

Features

• Manufactured from premium ARP2000 alloy steel for superior strength
• Heat-treated to 220,000 psi tensile strength for enhanced durability
• Cold-forged to ensure molecular integrity
• Thread rolled after heat treatment for improved fatigue resistance
• Centerless ground for precise concentricity
• Undercut design to equalize stud stretch and improve clamping force
• Black oxide finish for corrosion resistance
• Socket size: 11mm 12-point
• Includes hardened parallel washers for even load distribution

Specifications

• Material: ARP2000 alloy steel
• Tensile Strength: 220,000 psi
• Finish: Black oxide
• Socket Size: 11mm 12-point
• Includes: 10x head studs, 10x 12-point nuts, 10x hardened parallel washers
• Note: Designed specifically for 1996-2011 Ford 4.6L & 5.4L 2V/4V Modular V8 engines

Included Components

• 10x head studs
• 10x 12-point nuts
• 10x hardened parallel washers
• ARP Ultra-Torque fastener assembly lubricant

Product Description

The ARP 256-4201 Pro Series Head Stud Kit is engineered to provide superior clamping force and prevent head gasket failure in high-performance 4.6L & 5.4L 2V/4V Modular V8 engines. Constructed from premium ARP2000 alloy steel and heat-treated to 220,000 psi tensile strength, these studs offer exceptional durability and reliability. The cold-forged process ensures molecular integrity, while the thread rolling after heat treatment improves fatigue resistance.

This kit includes all necessary hardware for installation, including studs, 12-point nuts, hardened parallel washers, and ARP's Ultra-Torque assembly lubricant. Ideal for applications exceeding 400 horsepower, the ARP 256-4201 is a direct-fit replacement for stock head bolts and fits 1992-2009 Ford 4.6L & 5.4L 2V/4V Modular V8 engines. It ensures long-lasting durability and proper head clamping for street performance or competition builds.