ARP Header Bolt Kits

Compatible with various vehicles requiring 3/8 in.-16 header bolts

Part #: 400-1207

Overview

The ARP Header Bolt Kits are precision-engineered fasteners designed to provide superior strength and durability for your vehicle's header assembly. Crafted from high-quality stainless steel, these bolts are an essential upgrade for automotive enthusiasts seeking reliable performance and corrosion resistance. Whether you're performing a header replacement, upgrade, or routine maintenance, these bolt kits ensure a secure and long-lasting fit.

Ideal for street, performance, and racing applications, ARP header bolt kits help support the integrity of your exhaust system under demanding conditions. Their enhanced strength and heat resistance make them suitable for high-temperature environments, ensuring your engine's vital components stay securely fastened even during spirited driving or extended track sessions.

Key Features

ARP Header Bolt Kits are built with a focus on strength, precision, and ease of installation. The stainless steel construction offers approximately 15% greater strength than traditional Grade 8 steel fasteners, providing added security and peace of mind. The compact 12-point head design allows for easy access in tight engine bay spaces, enabling installation and removal with standard sockets even in confined areas. The polished finish not only enhances the aesthetic appeal but also provides excellent corrosion resistance, ensuring longevity in harsh environments.

• Manufactured from premium stainless steel for superior strength and corrosion resistance
• 15% stronger than Grade 8 steel, supporting high-stress applications
• Compact 12-point and hex-style head options for versatile installation in tight spaces
• Underhead length of 0.750 inches (22 mm) for optimal thread engagement
• Heat-resistant and corrosion-resistant polished finish
• Designed for easy installation and removal with standard tools
• Suitable for a wide range of vehicle makes and models requiring 3/8 in.-16 header bolts

Construction & Design

The ARP Header Bolt Kits feature a robust stainless steel construction that ensures durability and resistance to the extreme temperatures generated by high-performance engines. The bolts are precision-machined to exact specifications, providing a perfect fit and reducing the risk of stripping or cross-threading. The compact head design allows for installation in tight engine compartments, making maintenance and upgrades more straightforward. The polished finish not only adds a sleek look but also helps prevent corrosion, extending the lifespan of the fasteners even in challenging conditions.

Installation & Fitment

The ARP Header Bolt Kits are designed for straightforward, bolt-on installation. They utilize existing mounting points and do not require any modifications, cutting, or drilling. The bolts are compatible with various vehicle makes and models that use 3/8 in.-16 threaded header fasteners. No special tools or tuning are necessary, making this upgrade accessible for both professional mechanics and DIY enthusiasts.

• Easy to install with standard socket tools
• No cutting, drilling, or special tuning required
• Suitable for use in high-temperature engine environments

What's Included

• Complete set of stainless steel header bolts with 12-point heads
• Matching nuts and washers (if applicable)
• Installation instructions and hardware as needed

Ideal For

This header bolt kit is perfect for automotive enthusiasts, professional mechanics, and racers who demand high-quality fasteners that can withstand extreme conditions. It is suitable for use in performance builds, restorations, or routine maintenance where reliable, corrosion-resistant hardware is essential for long-term durability.