ARP Header Bolt Kits

Compatible with various headers and exhaust manifolds

Part #: 400-1210

Overview

The ARP Header Bolt Kits are specially designed fastener solutions for automotive enthusiasts and professionals who seek reliable, high-performance hardware for header and exhaust manifold installations. Crafted from premium stainless steel, these bolt kits provide superior strength, durability, and corrosion resistance, ensuring your engine's critical components remain securely fastened under demanding conditions. Whether you're assembling a new header system or replacing worn-out hardware, these ARP header bolt kits deliver peace of mind and long-lasting performance.

Ideal for street, performance, and racing applications, these bolt kits help support increased engine reliability and maintain optimal sealing of headers and exhaust manifolds. Their high-quality construction ensures they withstand extreme heat and corrosion, making them suitable for both daily drivers and high-performance builds. With ARP's reputation for precision manufacturing, you can trust these bolts to provide a secure fit and consistent torque retention, contributing to improved engine response and longevity.

Key Features

ARP Header Bolt Kits are engineered with the following features to meet the demands of performance automotive applications:

• Material Excellence: Made from high-grade stainless steel, these bolts are 15% stronger than traditional Grade 8 steel, providing increased tensile strength and durability for demanding engine environments.
• Corrosion & Heat Resistance: The polished stainless steel finish offers exceptional resistance to rust, corrosion, and heat, ensuring long-term reliability even in high-temperature conditions.
• Compact Head Design: The bolts feature a compact 12-point or hex-style head, allowing easy installation in tight spaces where clearance is limited around headers and exhaust manifolds.
• Precision Threading: With a 3/8 in.-16 thread size, these bolts provide a secure, vibration-resistant fit that maintains proper torque over time.
• Versatile Compatibility: Designed to fit a wide range of header and exhaust manifold applications, making them a versatile choice for various vehicle makes and models.
• Polished Finish: The polished surface not only enhances appearance but also adds an extra layer of corrosion resistance, maintaining a clean look over time.
• Heat & Torque Tolerance: Engineered to withstand the high temperatures and stresses typical of performance engines, ensuring consistent clamping force and sealing integrity.
• Easy Installation: The kit includes all necessary hardware for straightforward, bolt-on installation without modifications or special tools.

Construction & Design

The ARP Header Bolt Kits are constructed from premium stainless steel, chosen for its exceptional strength and corrosion resistance. The bolts feature a compact head design, which allows for installation in confined spaces often encountered around headers and exhaust manifolds. The 12-point and hex-style head options provide flexibility for tool access, ensuring installers can achieve proper torque without difficulty. The polished finish not only enhances aesthetic appeal but also helps prevent rust and corrosion, extending the lifespan of the hardware. These bolts are manufactured with precision threading to ensure a secure, vibration-resistant fit, critical for maintaining header seal integrity during high-performance driving or racing conditions.

Performance & Reliability

By upgrading to ARP Header Bolt Kits, you benefit from hardware that surpasses the strength of standard steel fasteners. This increased strength helps prevent header leaks caused by bolt fatigue or loosening, especially under high heat and vibration. The corrosion-resistant stainless steel ensures the bolts maintain their integrity over time, reducing the need for frequent replacements. Properly secured headers contribute to improved exhaust flow, which can support better engine response and performance. Whether you're building a high-horsepower street machine or a race-ready setup, these bolts provide the reliability you need for consistent performance and peace of mind.

Installation & Fitment

Installing the ARP Header Bolt Kits is straightforward and designed to be a direct bolt-on upgrade. The hardware is compatible with a wide range of headers and exhaust manifolds, and no special modifications are typically required. The kit includes all necessary bolts and nuts, ensuring a complete solution for your header assembly. For optimal results, torque the bolts to the manufacturer’s specifications using standard hand tools. Due to their compact head design, these bolts are especially useful in tight engine bay spaces, making installation easier even in confined areas. No cutting, drilling, or additional tuning is necessary, allowing you to complete your header installation efficiently and confidently.

What's Included

• Stainless steel header bolts (quantity as specified for your application)
• Matching nuts and washers if applicable
• Complete hardware for secure fastening
• Installation instructions (if provided)

Ideal For

• Performance enthusiasts building or upgrading headers and exhaust manifolds
• Engine builders seeking durable, corrosion-resistant fasteners
• Racing teams requiring high-strength hardware for demanding conditions
• Daily drivers looking for reliable, long-lasting header hardware

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.