3/8 x 1.000 SS hex header bolt kit.
ARP 400-1109 Header Bolts - SBC - 5/16" Head Stainless Hex Head - 1.00"
Auto Racing Products 400 1402 Arp 4001402 Stainless 300 12 Point Header
ARP 400-1209 Stainless Header Bolts SBC - 3/8" 12 Point Wrench Head - 1.00" L
???? ARP 100-1109 Header Bolt Kit – 3/8" x 1.00" Stainless Steel Hex Bolts-ECS
ARP 400-1112 Stainless Header Bolts 3/8" Hex Head Set of 16 - 1.00" UHL BBC Ford
ARP 434-1401 Gen V LT1 Stainless Header Stud Kit 12pt 5.3L 6.2L L83 L86 L8T LT4
