| Year | Make | Model |
|---|---|---|
| 2000 - 2004 | Ford | Focus LX |
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ARP Main Stud Kits | Multiple Ford Fitments (151-5404)
ARP Main Stud Kits | Multiple Ford Fitments (151-5404)
SKU:151-5404
In stock
Regular price
$96.16 USD
Regular price
$105.47 USD
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$96.16 USD
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▶ Vehicle Fitments
The ARP Main Stud Kit is a high-strength fastening solution designed for engine builders and performance enthusiasts. Made from premium 8740 chromoly steel and heat-treated to achieve a tensile strength of 190,000 psi, these studs provide exceptional durability and reliability under demanding conditions. They are engineered to help eliminate main cap movement and improve overall engine stability during high-performance applications. The kit offers a robust and precise fit, ensuring secure main cap retention and consistent clamping force, which is critical for maintaining engine integrity during high RPM and power output scenarios.
Compatible with multiple Ford models, these universal fitment studs are suitable for a wide range of engine builds requiring maximum strength. They are ideal for race teams, professional rebuilders, and serious street performance setups. Installation involves replacing factory main bolts with these high-tensile studs for a bolt-on upgrade that enhances engine reliability. The kit includes all necessary studs and hardware, making it a comprehensive solution for high-performance engine assembly and rebuilds.
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Overview
Overview
ARP Main Stud Kits
Part #: 151-5404
Overview
The ARP Main Stud Kit is a high-strength fastening solution designed for engine builders seeking maximum reliability and durability. Crafted from premium 8740 chromoly steel and heat-treated to achieve a tensile strength of 190,000 psi, these studs are engineered to withstand the demanding conditions of high-performance engines. Ideal for performance enthusiasts, race teams, and professional rebuilders, this kit helps eliminate main cap walk and fretting, ensuring consistent engine integrity under extreme loads. The precision J-form threads are rolled after heat treatment, providing stronger, more reliable threads compared to standard fasteners. Complete with hardened, parallel-ground washers and high-quality nuts, this kit offers a comprehensive upgrade to your engine’s main cap fastening system, supporting long-term durability and peace of mind during high-stress operation.
Key Features
Designed for strength and reliability, the ARP Main Stud Kit features:
- Made from 8740 chromoly steel for exceptional toughness
- Heat-treated in-house to 190,000 psi tensile strength
- Rolled J-form threads for enhanced thread strength and durability
- Complete with hardened parallel-ground washers and nuts
- Engineered to prevent main cap walk and fretting
- Suitable for a variety of performance and racing applications
Construction & Design
The studs are machined from high-quality 8740 chromoly steel, a material renowned for its strength and fatigue resistance. The heat-treatment process enhances the tensile properties, ensuring the studs can handle extreme engine stresses. The rolled threads provide superior thread integrity, reducing the risk of stripping or failure during high-performance use. The included washers and nuts are crafted to exact specifications, ensuring proper load distribution and secure fastening.
Installation & Fitment
Installation requires proper torque specifications and should be performed by experienced technicians familiar with engine assembly. Fitment varies depending on the specific engine application; verify compatibility with your engine model and consult the manufacturer’s guidelines for optimal results.
What’s Included
The kit includes all necessary studs, hardened washers, and nuts for a complete main cap fastening upgrade, providing everything needed for a professional-quality installation.
