The Stainless Bros SS304 flange is intended for Turbosmart 50mm Raceport blow-off valves, providing a direct-fit mating surface for 50mm valve outlets. This flange lets you attach a Raceport-style BOV to intercooler piping or intake plumbing without fabrication, creating a tidy connection point for valves designed around the Turbosmart 50mm Raceport footprint.
Stainless Bros SS304 Turbosmart 50mm Raceport BOV Flange