The Kooks Big Block Chevrolet 2-3/8-inch header flange is a 3/8" thick 304 stainless steel flange sized for larger BBC primaries. With round ports made to fit 2.375" tubing and sold individually, it’s intended for precise header fabrication or replacement. This flange is offered alongside Kooks’ other stainless components and supports durable, race-capable exhaust construction.
Kooks BB Chevy 2 3/8in SS BBC Flange (Bank)