ARP Big-Block Chevy cast-iron OEM head bolt kit. This kit supplies head bolts intended to match OEM-style fastening for Big-Block Chevy cast-iron cylinder head installations. It’s intended as a direct-fit head fastening solution for BB Chevy engines using cast-iron heads where OEM-pattern head bolts are required during assembly or head service.
ARP BB Chevy Cast Iron OEM head bolt kit