Kooks 23-degree small block Chevy header flange with 1-7/8" port — the larger-port version for higher-output SBC builds.
Fits 23-degree SBC cylinder heads with the stock bolt pattern. Oval port sized for 1-7/8" primaries.
Kooks Headers & Exhaust has been hand-building stainless headers and exhaust systems in Statesville, North Carolina since 1962. Every component is fabricated by experienced fabricators in the same shop where the company's racing roots were established. 3/8" thick 304 stainless steel resists warping under heat cycling.
Sold individually. Pair with Kooks J-bends (1-7/8" diameter) and merge collectors.
