To be honest, I haven’t totally figured it out yet…. Hurt my lower back again, and it’s been on hold. I will get back to it soon. But for me they just aren’t going to work. I can raise the engine 1/2-3/4” max, but that causes other issues…. Intake won’t clear(fast102) and I will have to adjust the height on the trans, and diff to line up properly… then a hood to clear the intake.
I’ll get back to you on my solutions or more info on measurements in regards to these headers. They are beautiful, well built, I’m sure they outflow any other headers out there for our cars but IMO 1 7/8 real long tubes like these will ride low. The question is what do you do with your car?? My car is riding lowish as I like it that way and I like going to the track (road course), so they won’t work for me and that’s why I sold them. To each their own.