I used full function engineering fuel rails. Make sure to get all of the lengths correct as there are different length injectors and fuel rails. I do not remember the lengths I used. Give full function engineering a call.

Andy

Wow, this an old thread I started years ago, but def still valid. I'm not saying its the best oem+/single turbo 13b 400rwhp setup for everyone, but what I finally dialed in about 6 years ago has been rock solid- ffe secondary "step up kit", new oem 550/id2000s, 2 walbro 450s in a radium sump, rewired direct to battery. Buy once, cry once, everything cost a **** ton on an FD anyway, and the fuel system is not something to skimp on in any way.