Kooks big block Chevy 2-3/8" BBC flange with 5" port spacing (bank style) — 5" port-spacing BBC pattern.
Fits big block Chevy engines with 5" port spacing. 2-3/8" primary tube bore.
Kooks Headers & Exhaust has been hand-building stainless headers and exhaust systems in Statesville, North Carolina since 1962. Every flange is machined in the same shop that builds Kooks' own production headers. Stainless construction handles thermal cycling and corrosion.
Universal builder part — weld onto custom primary tubing.
