ARP Header Bolt Kit - Black Oxide - SB Chevy - 3/8" Diameter, .750" Length - Hex Head - (12 Pack) R03P003L 4x AN-08 and

4x AN-08 and

Drilled for 1/2" wheel studs

Left Side Fixed

7/16-24 in Flare Nuts

3-Prong Male Socket

ARP Header Bolt Kit - Black Oxide - SB Chevy - 3/8" Diameter, .750" Length - Hex Head - (12 Pack) R03P003L 4x AN-08 andChoose from ARP Black Oxide or 300 stainless steel in hex or 12 pt. Heads. The 300 stainless material is not affected by extreme heat, eliminating the possibility of retempering due to exhaust temperature cycles. Rated 170, 000 psi tensile strength. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts