ARP 140-1101 Chromoly Header Bolt Kit for Chrysler Hemi 5.7L/6.1L

The ARP 140-1101 header bolt kit is specifically designed for Chrysler Hemi 5.7L and 6.1L engines, providing superior strength and reliability for exhaust header installation. This complete kit includes 16 premium chromoly steel bolts with hex heads, along with high-quality washers for proper installation.

Key Features:

• Material: 8740 chromoly steel with black oxide finish for corrosion and heat resistance
• Tensile Strength: Rated at 170,000 psi, significantly stronger than stock fasteners
• Thread Size: M8 x 1.25
• Underhead Length: 1.181 inches (30mm)
• Head Style: Hex head design for easy socket access in tight spaces

ARP manufactures these header bolts using aerospace-quality materials and precision engineering to ensure reliable performance under extreme heat and stress conditions. The compact hex head design allows easier access in confined spaces near exhaust headers, while the black oxide coating provides excellent resistance to corrosion and high temperatures. These bolts are engineered to maintain clamping force and prevent loosening, even in demanding high-performance applications.