ARP Ford Modular 4.6L/5.4L 2V/4V ARP2000 Hex Head Stud Kit

This ARP performance fastener, stud, bolt, tool, or assembly is the Ford Modular 4.6L/5.4L 2V/4V ARP2000 Hex Head Stud Kit for 1996-2004 Ford Mustang. Confirm the exact engine or vehicle application, thread size, length, material, strength series, included quantity, installation lubricant, tightening sequence, and current ARP torque specification before ordering.

Key Features

• ARP2000 Alloy: 220000 psi tensile strength handles extreme cylinder pressures and resists fatigue in boosted naturally aspirated applications.
• Matched Hardware: Includes chrome moly 12-point nuts and hardened parallel washers for complete secure assembly.
• Yes ARP 256-4001 Pro Series kit is direct fit for all 4.6L 4V Modular engines including 2003-2004 Terminator Cobras with stock ported heads.
• Rolled Threads: Increases thread strength by 35 percent over cut threads for better engagement and repeatable torquing.
• Hex Head Style: Simplifies installation with standard tools and supports high torque values without stripping.
• Works with OEM aftermarket aluminum iron cylinder heads gaskets.

Fitment

Specifications

What’s Included

One new ARP head stud & bolt kit in the exact configuration and quantity identified by this listing. Brackets, wiring, air lines, fittings, switches, fasteners, fitting kits, fluids, covers, and accessories are included only when expressly stated for this exact part.

About ARP

Automotive Racing Products manufactures high-performance studs, bolts, nuts, washers, wheel hardware, assembly tools, and installation lubricants for engine, drivetrain, chassis, and racing applications. Thread dimensions, material, preload method, lubricant, torque, and included quantity remain exact-part specific.

Important Disclosures

• California Proposition 65 warning applies. Review the current manufacturer warning before handling or installation.

Related Parts

• Shop all ARP products
• ARP 13 Ford Coyote 5.0L V8 Head Stud Kit
• ARP Ford Coyote 5.0L Head Stud Kit
• ARP Ford Modular 4.6L 2&4 Valve 12 pt Head Stud Kit

Frequently Asked Questions

How do I confirm the Ford Modular 4.6L/5.4L 2V/4V ARP2000 Hex Head Stud Kit fits my application?
Match the exact engine family or vehicle, component location, thread diameter and pitch, under-head length, material, strength series, and every current ARP application note.

Can I reuse the factory torque value with this ARP hardware?
Not automatically. Use ARP’s current instructions for the exact part, material, lubricant, tightening sequence, and preload method. Factory torque values may be based on different hardware and friction.

What is included with this ARP kit?
Only the studs, bolts, nuts, washers, lubricant, and tools expressly listed for this exact part number are included. Verify the required quantity before disassembly.

Installation Instructions

1. Confirm ARP part number 256-4001, the complete application, and every required supporting component before beginning work.
2. Clean and inspect all mating threads and components, then verify thread engagement, length, washers, nuts, lubricant, and required preparation before assembly.
3. Follow ARP’s current tightening sequence, lubricant instructions, torque or stretch method, and any retorque procedure for this exact part.
4. Verify clearance, preload, fastener seating, and normal component operation before returning the vehicle or engine to service.