The ARP 3/8 x .750 stainless steel 12-point header bolt kit supplies a set of 3/8" fasteners with .750" grip length and 12-point heads for header installation where that size is required. It’s specified as stainless (SS) in the listing and intended to be used with exhaust/header assemblies calling for this bolt style. Verify fitment and required quantities for your application before purchase.
ARP 3/8 x .750 SS 12pt Header Bolt Kit