ARP Chevrolet LT1 6.2L Small Block Hex Header Bolt & Stud Kit

2013–2025 Chevrolet Silverado, Camaro, Corvette 6.2L V8 (LT1)

Part #: 434-1104

Overview

The ARP Chevrolet LT1 6.2L Small Block Hex Header Bolt & Stud Kit is designed for performance enthusiasts and professional builders who demand the highest quality fasteners for their engine builds and repairs. Specifically engineered for 2013 and later Small Block Chevrolet 6.2L GEN V (LT1) V8 applications, this kit ensures a secure and reliable connection between your headers and engine block. Whether you're upgrading for increased durability, improved reliability, or to support high-performance modifications, these fasteners provide the strength and precision you need.

Constructed with advanced materials and manufacturing processes, this header bolt and stud kit helps support the demanding conditions of high-performance driving, racing, or heavy-duty applications. Properly torqued header fasteners are critical for preventing leaks, maintaining exhaust system integrity, and ensuring consistent engine performance. With ARP's reputation for innovation and quality, you can trust these fasteners to deliver exceptional strength and longevity.

Key Features

Designed for enthusiasts who want the best in fastener technology, the ARP Chevrolet LT1 header bolt & stud kit offers several key benefits:

• Rated at 180,000 psi tensile strength, significantly stronger than standard grade 8 hardware, providing superior durability under high-stress conditions.
• Available in two finishes: Black Oxide hex or 12-point, and rust-free Stainless steel hex or 12-point heads, allowing you to choose based on aesthetic preference and corrosion resistance needs.
• Manufactured using ARP’s proprietary heat-treating process to maximize strength and fatigue life, ensuring your headers stay securely fastened even under extreme conditions.
• Includes washers for a complete installation, ensuring even load distribution and optimal clamping force.
• 30mm length designed specifically for 3/8” thick header flanges, providing the perfect fit for most header applications on the LT1 engine.
• Precision-machined threads and high-quality materials ensure ease of installation and removal, reducing the risk of stripping or cross-threading.
• Ideal for high-performance builds, racing applications, or any engine upgrade where reliable header fastening is critical.

Construction & Design

The ARP header bolt and stud kit is crafted from premium alloy steel, which is then heat-treated to achieve its exceptional tensile strength. The black oxide and stainless steel finishes not only enhance corrosion resistance but also provide a sleek, professional appearance. The hex and 12-point head options give flexibility during installation, allowing for easier access in tight engine bays. The washers included in the kit help distribute clamping forces evenly across the header flange, reducing the risk of warping or leaks. Every fastener is precision-machined to exact specifications, ensuring a perfect fit and consistent performance.

Installation & Fitment

The ARP Chevrolet LT1 header bolt & stud kit is designed for straightforward, bolt-on installation. The fasteners are compatible with standard header flange bolt holes on 3/8” thick flanges. No special tools beyond standard socket and wrench sets are required. The kit includes all necessary washers for a complete assembly. Because of the high-quality materials and precise manufacturing, no cutting, drilling, or tuning is necessary. Proper torque specifications should be followed to ensure optimal clamping force and prevent damage.

What's Included

• Header bolts in your chosen finish (Black Oxide or Stainless steel)
• Header studs in your chosen finish
• Washers for each fastener
• Installation instructions

Ideal For

• High-performance street and racing applications
• Engine builders seeking reliable, high-strength fasteners
• Upgrading header hardware for improved durability and leak prevention
• Enthusiasts who demand the best in fastener technology for their LT1 engine builds