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 engineered for automotive enthusiasts who demand the highest quality fasteners for their performance builds. Designed specifically for 2013 and newer Small Block Chevrolet 6.2L GEN V (LT1) V8 applications, this kit ensures a secure, reliable connection between your header flanges and exhaust system. Whether you're building a high-performance street machine, a track-ready vehicle, or restoring a classic with modern upgrades, these fasteners provide the strength and durability needed to withstand extreme conditions.

With ARP's reputation for innovation and quality, this header bolt and stud kit offers a significant upgrade over factory hardware, helping to prevent header leaks and ensuring proper torque retention. The robust construction supports increased engine performance and longevity, making it an essential component for serious enthusiasts and professional builders alike.

Key Features

ARP's Chevrolet LT1 header bolt and stud kit is crafted with precision and designed to meet the demanding needs of high-performance applications. The kit features:

• Rated at 180,000 psi tensile strength, providing a level of durability far superior to standard grade 8 hardware, ensuring your header connections remain secure under high heat and stress.
• Available in two finishes: Black Oxide hex or 12-point heads for corrosion resistance and a sleek appearance, or rust-free Stainless steel hex or 12-point heads for ultimate longevity and aesthetic appeal.
• 30mm length bolts, perfectly suited for 3/8-inch thick header flanges, ensuring proper engagement and clamping force.
• Includes washers for added security and even load distribution, preventing damage to header surfaces and maintaining consistent torque.
• Precision-machined threads and heads for easy installation and removal, reducing the risk of stripping or cross-threading.
• Designed specifically for 2013 and later Chevrolet Small Block LT1 applications, ensuring perfect fitment and compatibility.

Construction & Design

This header bolt and stud kit is manufactured using ARP's advanced heat-treating and machining processes, resulting in fasteners that combine high tensile strength with excellent corrosion resistance. The choice of materials—either black oxide-coated steel or stainless steel—ensures durability in the harshest engine bay environments. The precision threading and high-quality washers contribute to a secure fit, reducing the likelihood of header leaks and ensuring consistent performance over time.

Installation & Fitment

The ARP Chevrolet LT1 header bolt and stud kit is designed for straightforward, bolt-on installation. The fasteners are compatible with factory header flanges and require no modifications or special tools beyond standard hand tools. Due to their precise dimensions and high-quality construction, installation is quick and hassle-free. No cutting, drilling, or tuning is necessary, making this an ideal upgrade for both professional mechanics and DIY enthusiasts seeking a reliable fastening solution.

• Easy to install with common hand tools
• Designed for 3/8-inch thick header flanges
• No cutting, drilling, or tuning required

What's Included

• Header bolts and studs in your chosen finish (Black Oxide or Stainless steel)
• Washers for each fastener
• Complete hardware for securing headers to your engine

Ideal For

• Performance enthusiasts building or upgrading Chevrolet LT1 engines
• Professionals and DIYers seeking high-strength, reliable header fasteners
• Restoration projects requiring durable hardware
• Vehicles subjected to high heat and demanding driving conditions