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The Kooks big-block Chevrolet flange features 5in bore spacing and is machined from 3/8in thick 304 stainless steel with round ports sized for 2-3/8in primaries and a standard bolt pattern. It is supplied as an individual bank flange for Big Block Chevy header builds. From Kooks, a long-established U.S. header manufacturer, this flange supports custom exhaust fabrication and replacement needs.
Kooks BB Chevy 2 3/8in BBC Flange 5in Spacing (Bank)
