ARP 140-1201 Header Bolt Kit 12-Point Chromoly Chrysler Hemi 5.7L 6.1L

The ARP 140-1201 Header Bolt Kit is engineered specifically for Chrysler Hemi 5.7L and 6.1L engines, providing superior clamping force and reliability for aftermarket header installations. Manufactured from 8740 chromoly steel with a black oxide finish, these premium header bolts are rated at 170,000 psi tensile strength, making them substantially stronger than OEM fasteners and capable of withstanding extreme heat cycles and demanding performance applications.

Key Features:

• M8 x 1.25 thread size with 12-point head design for easy installation
• 1.181 inches (30mm) underhead length
• Black oxide finish provides corrosion resistance and professional appearance
• 12-point head allows for easier access in tight spaces around exhaust manifolds
• Chromoly construction ensures long-lasting durability under high-temperature conditions

Each ARP header bolt kit is precision-manufactured to exacting tolerances and includes everything needed for a complete installation. The superior material strength prevents bolt stretching and failure, ensuring your headers remain securely fastened even under the most severe racing or high-performance driving conditions.