ARP 400-1106 Drilled Hex Header Bolts 12-Piece Kit

The ARP 400-1106 is a premium 12-piece header bolt kit featuring hex head bolts with drilled holes for safety wire applications. These specialized NASCAR-style bolts are engineered for racers who demand maximum security and want to prevent header bolts from loosening under extreme conditions.

Key Features:

• 12-piece drilled hex head bolt kit for header installation
• Safety wire holes allow you to wire bolts together for racing applications
• Chrome moly construction with black oxide finish
• 170,000 psi tensile strength—significantly stronger than Grade 8 hardware
• Includes premium-quality washers for complete installation
• Designed to withstand extreme heat and vibration

ARP manufactures these header bolts to provide superior clamping force and reliability in high-performance and racing applications. The drilled hex head design enables safety wiring, a critical feature for competition use where header bolt retention is essential. Each kit contains the precise number of fasteners needed along with matching washers to ensure proper installation and long-term durability.