• ARP Hex Head Stud Kit | Ford Modular 4.6L 2-Valve & 4-Valve Engines (256-4001)
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ARP Hex Head Stud Kit | Ford Modular 4.6L 2-Valve & 4-Valve Engines (256-4001)

ARP Hex Head Stud Kit | Ford Modular 4.6L 2-Valve & 4-Valve Engines (256-4001)

256-4001

In stock

$457.41 USD
$501.69 USD $457.41 USD
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The ARP Hex Head Stud Kit is a high-performance fastening solution designed specifically for Ford Modular 4.6L engines, including both 2-valve and 4-valve configurations. Constructed from premium grade 8740 alloy steel, these studs offer exceptional strength and durability to withstand high-performance and racing conditions. They provide a reliable alternative to stock head bolts, ensuring proper clamping force and minimizing the risk of head gasket failure. The hex head design facilitates easier installation and removal, making them suitable for engine builders and enthusiasts seeking a durable upgrade for demanding applications.

This stud kit is compatible with Ford Modular 4.6L engines from model years 1996 and up, covering a wide range of vehicles equipped with 2-valve and 4-valve configurations. It serves as a direct replacement or upgrade for factory head fasteners, ideal for high-performance builds, rebuilds, or engine modifications. The kit includes a set of high-strength studs designed for bolt-on installation, providing consistent torque and clamping force. Suitable for street, track, or racing use, these ARP studs ensure a secure and reliable head fastening solution for Ford Modular V8 engines.

Overview

ARP Hex Head Stud Kit

Ford Modular 4.6L 2-Valve & 4-Valve Engines

Part #: 256-4001

Overview

The ARP Hex Head Stud Kit is a high-performance fastening solution designed specifically for Ford Modular 4.6L engines, including both 2-valve and 4-valve configurations. Crafted with precision and durability in mind, these studs are ideal for engine builders, enthusiasts, and professionals seeking reliable head bolt replacements or upgrades. Made from premium grade 8740 alloy steel, ARP studs provide superior strength and stability under demanding conditions, ensuring your engine maintains proper head gasket sealing and optimal performance. Whether you're rebuilding, modifying, or enhancing your engine, this kit offers the peace of mind that comes with top-tier materials and manufacturing standards.

Key Features

Designed for maximum strength and durability, the ARP Hex Head Stud Kit offers several key benefits:

  • Constructed from premium grade 8740 alloy steel for exceptional tensile strength and fatigue resistance
  • Precisely heat-treated to 200,000 psi for consistent performance and reliability
  • Manufactured with special racks to ensure uniformity and quality control
  • Centerless ground after heat treatment for precise dimensions and smooth surface finish
  • Hex head design facilitates easy installation and removal with standard tools
  • Engineered to withstand high thermal and mechanical stresses during engine operation
  • Suitable for high-performance and racing applications, supporting engine integrity under increased power levels

Construction & Design

The ARP head studs are meticulously manufactured from aerospace-quality 8740 alloy steel, known for its excellent strength-to-weight ratio and toughness. The studs undergo a proprietary heat-treating process that enhances their structural integrity, ensuring they resist stretching and failure even under extreme conditions. The hex head design allows for secure torque application, promoting proper clamping force across the cylinder head and gasket interface. Each stud is centerless ground after heat treatment to achieve precise dimensions, which helps maintain consistent preload and sealing performance.

Installation & Fitment

This kit is designed as a direct replacement for OEM head studs on Ford Modular 4.6L engines. Proper installation requires standard hand tools and torque specifications should be followed according to manufacturer guidelines. It is recommended to verify fitment against your specific vehicle model and engine configuration before installation.

What’s Included

The package includes a complete set of ARP Hex Head Head Studs tailored for Ford Modular 4.6L engines, along with any necessary hardware for installation.
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