Upgrade your Chevrolet Big Block Mark IV block with the ARP Head Bolt Kit Hex. Specifically designed to suit Late Bowtie aluminum, Iron Dart, Pro-1, Pro Top Line, and World Products iron heads, this kit is essential for securing your cylinder heads in place. The product code 135-3603 ensures you have the correct kit for your engine.

With a socket size of 1/2 hex, this head bolt kit is easy to install and provides a secure fit for your engine components. The ARP brand is known for its high-quality fasteners and precision engineering, making it a trusted choice for automotive enthusiasts and professionals alike.

ARP is a leader in the industry, with a diverse range of products designed for various applications. From high performance OEM replacement parts to specialty hardware for racing and marine vehicles, ARP provides a comprehensive solution for all your fastening needs. Upgrade your engine with the ARP Head Bolt Kit Hex and experience the difference in performance and reliability.