ARP Stainless Steel Header Bolt Kit - SB Chevy - 3/8" Diameter, .750" Length - Hex Head - (12 Pack) 13199903 which gives you more consistent

which gives you more consistent rocker geometry

Single Plane

and choice of head or block mounted pump bracket

Arm Restraints Color Black Only

ARP Stainless Steel Header Bolt Kit - SB Chevy - 3/8" Diameter, .750" Length - Hex Head - (12 Pack) 13199903 which gives you more consistentChoose 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