ARP ARP2000 Main Stud Kit

2004–2009 Dodge Ram 2500 / 2004–2007 Dodge Ram 3500 Cummins 5.9L

247-5403

Overview:

The ARP ARP2000 Main Stud Kit is engineered specifically for Dodge Ram 2500 (2004–2009) and Ram 3500 (2004–2007) models equipped with the Cummins 5.9L engine. Designed to replace the factory main bolts, this kit provides enhanced strength and reliability for the engine’s main bearing caps. Ideal for enthusiasts and professionals seeking to improve engine durability under high-stress conditions, the ARP2000 studs deliver superior clamping force and resistance to stretching compared to OEM hardware.

This kit is perfect for those performing engine rebuilds, upgrades, or seeking to increase the longevity and performance of their Cummins diesel powerplants. By upgrading to ARP’s premium fasteners, you ensure your engine’s bottom end remains secure even under demanding loads.

Key Features:

Built to exacting standards, the ARP ARP2000 Main Stud Kit offers a range of advanced features that set it apart from stock components:

• Includes 14 ARP2000 M12 main studs engineered for maximum strength
• Features 14 newly manufactured 8740 chrome moly steel 12-point nuts designed with low height to clear the OEM main girdle
• Comes with 14 8740 chrome moly steel accessory bolts to securely fasten the main girdle to the engine block
• All studs are centerless ground and heat treated prior to thread rolling and machining for optimal durability
• Rated at an impressive 220,000 PSI tensile strength, providing a 30% increase over OEM main bolts
• Includes a 1/2 oz. pack of ARP Ultra-Torque fastener assembly lubricant for proper installation torque and thread protection
• Pro Series design ensures enhanced reliability and consistent clamping force under extreme conditions

Construction & Design:

The ARP2000 Main Stud Kit is manufactured from premium 8740 chrome molybdenum steel, a material known for its exceptional strength and toughness. Each stud undergoes a rigorous manufacturing process including centerless grinding and heat treatment before thread rolling and machining, ensuring uniformity and superior mechanical properties. The 12-point nuts are specifically designed with a low profile to clear the OEM main girdle, allowing for a seamless fit without modification.

This meticulous engineering results in fasteners that not only exceed OEM specifications but also provide increased resistance to stretching and fatigue, critical for maintaining engine integrity during high-performance or heavy-duty use.

Installation & Fitment:

The ARP ARP2000 Main Stud Kit is a direct fit replacement for the main bearing studs on 2004–2009 Dodge Ram 2500 and 2004–2007 Dodge Ram 3500 trucks equipped with the 5.9L Cummins engine. Installation requires removal of the factory main bolts and careful assembly using the included ARP Ultra-Torque lubricant to ensure accurate torque values and prevent galling. No modifications to the engine block or main girdle are necessary, making this kit a straightforward upgrade for engine rebuilds or performance enhancements.

What's Included:

• 14 ARP2000 M12 Main Studs
• 14 Low Height 12-Point Nuts (8740 Chrome Moly Steel)
• 14 Accessory Bolts for Main Girdle Attachment
• 1/2 oz. Pack of ARP Ultra-Torque Fastener Assembly Lubricant
• Installation Instructions

Ideal For:

This main stud kit is ideal for diesel truck owners, mechanics, and performance builders who demand enhanced durability and reliability from their Cummins 5.9L engines. Whether you are rebuilding your engine, upgrading for increased power output, or preparing your truck for heavy towing and hauling, these ARP2000 studs provide peace of mind with superior clamping strength and long-lasting performance.

ARP (Automotive Racing Products) is the gold standard for high-strength fasteners used in performance engines and drivetrains. Trusted across motorsports, ARP’s studs, bolts, and hardware kits are engineered for extreme clamping loads and repeatable installation—helping builders improve reliability when cylinder pressures, RPM, and heat are turned up.