ARP Main Stud Kits

Multiple Dodge Fitments (247-5501)

Part #: 247-5501

Overview

The ARP Main Stud Kit for Dodge engines is a high-quality solution designed to enhance the durability and reliability of your engine's main cap assembly. Engine builders and performance enthusiasts who seek to prevent main cap walk, fretting, and thread damage will find this kit an essential upgrade. Crafted from premium materials and engineered for strength, these studs provide a secure and stable foundation for your engine's critical components, especially during high-stress applications such as forced induction or high-rpm racing.

Whether you're building a street performance engine or preparing for track days, the ARP Main Stud Kit offers peace of mind by ensuring that your engine maintains proper alignment and torque integrity under demanding conditions. This kit is compatible with multiple Dodge models, making it a versatile choice for a range of applications.

Key Features

Designed with performance and durability in mind, the ARP Main Stud Kit incorporates several advanced features:

• Constructed from 8740 chromoly steel, known for its exceptional strength and toughness, ensuring long-lasting performance in high-stress environments.
• Heat-treated in-house to a tensile strength rating of 190,000 psi, providing superior resistance to stretching and fatigue during aggressive driving or racing conditions.
• Precision J-form threads are rolled after heat treatment, resulting in significantly stronger threads compared to cut threads, which enhances thread integrity and reduces the risk of stripping.
• Includes hardened, parallel-ground washers and high-quality nuts, ensuring proper load distribution and secure fastening.
• Engineered to eliminate main cap walk and fretting, maintaining proper engine alignment and preventing costly damage over time.
• Designed for easy installation with standard tools, making it suitable for both professional engine builders and experienced DIY enthusiasts.
• Compatible with a variety of Dodge engines, including popular V8 models, providing a reliable upgrade for multiple applications.

Construction & Design

The ARP Main Stud Kit features a robust construction utilizing 8740 chromoly steel, a material renowned for its high tensile strength and fatigue resistance. The studs are heat-treated in-house to achieve a tensile rating of 190,000 psi, ensuring they withstand the extreme forces encountered during high-performance driving. The rolled J-form threads are a key design element, offering stronger, more durable threads that resist stripping and galling. The inclusion of hardened, parallel-ground washers and premium nuts guarantees a secure and even load distribution, which is critical for maintaining engine integrity under stress.

Performance & Benefits

By replacing the factory main bolts with ARP's high-strength studs, you gain a more stable and reliable engine assembly. These studs help prevent main cap walk and fretting, which can lead to bearing damage and engine failure. The increased tensile strength and superior thread quality translate into a more consistent torque retention, especially during high-rpm operation or forced induction setups. Overall, this upgrade supports increased engine longevity, improved performance consistency, and peace of mind during demanding driving conditions.

Installation & Fitment

The ARP Main Stud Kit is designed for straightforward installation using standard hand tools. It replaces the factory main bolts, offering a bolt-on upgrade that does not require modifications or special procedures. Proper torque specifications should be followed as per ARP instructions to ensure optimal performance and safety. No additional machining or tuning is necessary, making this an accessible upgrade for professional mechanics and experienced enthusiasts alike.

• Replace factory main bolts with high-strength ARP studs for improved engine stability.
• No cutting, drilling, or complex modifications required.
• Ideal for high-performance builds, forced induction setups, and engines subjected to high stress.

What's Included

• Complete set of main studs for Dodge engines
• Hardened parallel-ground washers
• High-quality nuts
• Installation instructions

Ideal For

• Performance enthusiasts building high-horsepower Dodge engines
• Engine builders seeking increased durability and reliability
• Racers and track-day drivers demanding maximum engine stability
• Anyone looking to prevent main cap walk and thread damage during high-stress operation

Emissions Note

This product is designed for off-road or racing use only and may not be legal for use on pollution-controlled vehicles in all jurisdictions. Please check local regulations before installation.