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The Kooks 23-degree small block Chevrolet spread port header flange is 3/8in thick mild steel with a port sized for 2in primaries and the Stahl 7-bolt pattern. Sold individually, this flange fits spread-port header designs and provides a stout mild-steel option for builders working on Small Block Chevy header fabrications.
Kooks SB Chevy 2in Steel 23SBC Stahl S.P. Flange (Bank)
