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The Kooks LSX header flange is a 3/8in thick 304 stainless steel flange with a stock bolt pattern and a D-shaped port for 1-7/8in primaries. Sold individually, it is intended for GM LS engine header builds and provides a direct-fit bolt pattern and port profile for LSX-style header fabrication and replacement. Kooks' stainless flanges are used in performance header assemblies and reflect their US manufacturing.
Kooks GM LS Engines 1 7/8in SS D Port LS Flange (Bank)
