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The Kooks LS1 1-7/8" stainless header flange is made for GM LS engines with a stock bolt pattern and a round port sized for 1-7/8in primaries. Machined from 3/8in thick 304 stainless steel and sold individually, it suits header fabrication or replacement needs on LS applications. Kooks manufactures hand-built, race-proven exhaust parts in the USA.
Kooks GM LS Engines 1 7/8in SS LS1 Flange (Bank)
