ARP 156-4301 12-Point Head Stud Kit for Ford Modular 4.6L/5.4L 2V & 4V

Vehicle Fitment

• 1992-2004 Ford Modular 4.6 L and 5.4 L V8 engines with 2-valve and 4-valve cylinder heads; excludes 2005+ 3-valve head engines

Features

• Pro Series construction with cold-forged and heat-treated studs for superior strength
• Constructed from 8740 chromoly steel with black-oxide finish for durability and corrosion resistance
• 12-point nuts for precise torque control and access in tight engine bays
• Socket compatibility: 9/16-inch 12-point or 3/16-inch Allen key
• Ideal for forced induction or high-horsepower applications
• Reusable fasteners - significantly more robust than factory torque-to-yield bolts
• Professional-grade quality trusted by engine builders
• Made in the USA to ARP's industry-leading standards

Specifications

• Material: 8740 chromoly steel
• Finish: Black oxide
• Head style: 12-point nut
• Socket size: 9/16-in 12-point or 3/16-in Allen
• Pro Series durability and machining tolerances

Included Components

• 1x complete set of head studs for dual V8 cylinder heads
• 1x matching set of 12-point nuts

Product Description

The ARP 156-4301 12-Point Head Stud Kit is engineered for Ford Modular 4.6L and 5.4L V8 engines equipped with 2-valve or 4-valve cylinder heads built between 1992 and 2004. Made from premium 8740 chromoly and finished in black oxide, these studs offer outstanding clamping force and corrosion resistance. The Pro Series design includes cold-forged, heat-treated studs with precise machining to industry-leading tolerances, ensuring perfect alignment and longevity.

Featuring 12-point nuts and dual socket access (9/16-inch 12-point or 3/16-inch Allen), this kit balances performance and serviceability in even the tightest engine configurations. Ideal for builders tackling high-performance or forced-induction builds, these reusable fasteners outperform factory torque-to-yield bolts. Please note: not compatible with Ford Modular engines featuring 3-valve heads introduced in 2005 and beyond.