ARP Rod Bolt Kits

2010–2025 Universal / Engine Rebuild & Performance Applications

Part #: 300-6728

Overview

The ARP Rod Bolt Kits are precision-engineered replacement fasteners designed to enhance the reliability and performance of your engine's connecting rod assembly. Crafted by ARP, a leader in high-performance fasteners, these bolt kits are ideal for engine builders, racers, and enthusiasts seeking to ensure maximum strength and durability during high-stress conditions. Whether you're rebuilding an engine or upgrading for increased horsepower, these rod bolt extensions provide a reliable solution to prevent damage during assembly and operation.

Designed with meticulous attention to detail, these bolt kits help maintain proper alignment and tension of the connecting rods, supporting your engine's integrity under demanding conditions. Their high-quality construction ensures consistent torque application and long-lasting performance, making them a trusted choice for both street and race applications.

Key Features

ARP Rod Bolt Kits are built with advanced materials and manufacturing techniques to deliver superior strength and durability. Key features include:

• Material and Finish: Made from high-grade alloy steel with a natural finish, these bolts are designed to withstand extreme stresses and resist corrosion, ensuring longevity and consistent performance over time.
• Design and Construction: Featuring a long taper and full radius, these extensions are engineered to prevent nicking and scratching of crankshaft journals during connecting rod installation. Their precise taper guides the bolt into position smoothly, reducing installation errors and potential damage.
• Size and Compatibility: The 5/16" diameter size makes these bolt extensions compatible with a wide range of engine configurations, providing a versatile solution for various rebuild projects.
• Color Coding: Hard-anodized in different colors for easy identification, allowing quick selection of the correct size and application during assembly.
• Fastener Style: Designed as bolt extensions, these fasteners act as guides and aids during piston and rod installation, ensuring proper alignment and seating.

Construction & Design

Constructed from premium alloy steel, the ARP rod bolt extensions are manufactured with precision machining to ensure perfect fitment and consistent performance. The full-radius design and tapered profile help prevent damage to crankshaft journals, which is critical during high-performance engine assembly. The natural finish not only provides corrosion resistance but also maintains the integrity of the material under high temperatures and stresses. These extensions are engineered to act as a guiding tool during installation, simplifying the process and reducing the risk of misalignment or damage.

Performance & Benefits

While these bolt extensions are primarily designed for installation assistance and journal protection, their high-quality construction contributes to overall engine reliability. Using ARP fasteners helps support increased horsepower and torque, especially in high-performance or racing engines. The precise fit and durable materials ensure that your engine maintains proper tension and alignment, which is essential for optimal power output and longevity.

Installation & Fitment

The ARP Rod Bolt Kits are designed for straightforward, bolt-on installation. They act as guides during piston and connecting rod assembly, helping to align components correctly without the need for special tools or modifications. No cutting, drilling, or tuning is required, making them suitable for both professional rebuilds and DIY enthusiasts. Proper torque specifications should be followed as per ARP guidelines to ensure maximum performance and safety.

• Easy to install with standard hand tools
• No special modifications or adjustments needed
• Ideal for engine rebuilds, high-performance builds, and racing applications

What's Included

• Complete set of ARP Rod Bolt Extensions in the specified size
• Installation instructions

Ideal For

• Engine builders and rebuilders
• Performance enthusiasts seeking reliable fasteners
• Racers requiring high-strength components for demanding conditions
• DIY mechanics performing engine assembly or repair

Emissions Note

This product is designed for use in engine assembly and does not impact emissions. Please verify compatibility with your specific application and local regulations before installation.