This ARP performance fastener, stud, bolt, tool, or assembly is the Main Stud Kit for Ford 4.6L & 5.4L 2V/3V/4V without windage tray. 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

• 8740 Chrome Moly Construction: Heat-treated in-house to 190,000 PSI tensile strength for extreme durability under boost or high RPM.
• Complete Kit Contents: Includes hardened parallel-ground washers and 12-point nuts for even load distribution and secure assembly.
• Cap Walk Elimination: Locks main caps firmly in place reducing distortion and ensuring consistent oil pressure in performance engines.
• 8740 chrome moly steel heat-treated to 190,000 PSI with rolled J-form threads for superior fatigue resistance.
• Precision J-Form Threads: Rolled after heat-treat creating threads 2000% stronger than off-the-shelf fasteners to resist fatigue.
• Black Oxide Finish: Provides corrosion resistance and smooth installation in demanding engine environments made in USA.

Fitment

Specifications

What’s Included

One new ARP main 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 03 Mazda 2.3L DOHC 16V Main Stud Kit
• ARP 03-06 Mitsubishi Evo Main Stud Kit
• ARP 06+ Chevy Duramax Diesel LBZ/LMM Main Stud Kit

Frequently Asked Questions

How do I confirm the Main Stud Kit for Ford 4.6L & 5.4L 2V/3V/4V without windage tray 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 156-5401, 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.

This ARP performance fastener, stud, bolt, tool, or assembly is the Main Stud Kit for Ford 4.6L & 5.4L 2V/3V/4V without windage tray. 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

• Material: 8740 chrome moly steel heat-treated in-house to 190,000 psi tensile strength.
• Components: Hardened parallel-ground washers paired with high-quality nuts for even load distribution.
• Finish: Black oxide coating resists corrosion in engine environments.
• 8740 chromoly construction with post-heat-treat rolled J-form threads provides 2000% greater thread strength at 190,000 psi.
• Exact OEM-spec dimensions with added strength for reliability.

Fitment

Specifications

What’s Included

One new ARP main 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 03 Mazda 2.3L DOHC 16V Main Stud Kit
• ARP 03-06 Mitsubishi Evo Main Stud Kit
• ARP 06+ Chevy Duramax Diesel LBZ/LMM Main Stud Kit

Frequently Asked Questions

How do I confirm the Main Stud Kit for Ford 4.6L & 5.4L 2V/3V/4V without windage tray 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 156-5802, 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.