ARP 156-5802 Main Stud Kit for Ford Modular 4.6L 4V 4-Bolt Engines

Vehicle Fitment

• Ford Modular 4.6L 4V 4-Bolt engines

Features

• Constructed from high-strength 8740 chromoly steel
• Heat-treated to approximately 190,000 psi tensile strength
• Precision centerless-ground studs with thread-rolled, Mil-S-8879 spec finish
• Black oxide coating for corrosion resistance and engine bay appearance
• Includes studs, hardened washers, and high-strength hex nuts
• 12-point socket compatibility for flexible installation
• Ideal for performance builds requiring enhanced bottom-end stability
• Reusable design - superior to OEM torque-to-yield bolts
• Manufactured to ARP's professional-grade specifications

Specifications

• Material: 8740 chromoly steel
• Tensile strength: ~190,000 psi
• Socket compatibility: 12-point
• Components: studs, hardened washers, and high-strength hex nuts
• Block type: Modular 4.6L 4V 4-Bolt

Included Components

• 1x complete set of main studs
• 1x set of hardened washers
• 1x set of high-strength hex nuts

Product Description

The ARP 156-5802 Main Stud Kit is engineered for Ford Modular 4.6L 4V 4-Bolt engines. Crafted from 8740 chromoly steel and heat-treated to a tensile strength of approximately 190,000 psi, these studs help prevent main cap walk and fretting in high-performance environments.

This complete kit includes studs, hardened washers, and high-strength hex nuts, providing a reusable upgrade over factory torque-to-yield hardware. Installation flexibility is enhanced by 12-point socket compatibility. Ideal for builders seeking enhanced bottom-end durability in performance applications.