ARP Header Bolt Kit - Black Oxide - SB Chevy - 3/8" Diameter, .750" Length - Hex Head - (12 Pack) BR40014 super-washed merino wool

super-washed merino wool

Tubing wall thickness will vary

Can be converted to left or right side air

Similar to Standard Motor Products SMP Dr-32

Accessory Bracket

ARP Header Bolt Kit - Black Oxide - SB Chevy - 3/8" Diameter, .750" Length - Hex Head - (12 Pack) BR40014 super-washed merino woolChoose 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