Originally Posted by BrewPuBeaver
it does not. you have to order it seperate, or have one fabbed. also the spring you need is the lowest one possible, and it still might not be low enough. normally PDXTuning swaps them out for their own custom set up spring rate. i am going this route, seems my BOV (worx) is prone to compressor sube on higher HP applications.
James you reading this?
My Tial bov came with the flange? Theres even a incert in the foam packing inside the box for the flange.