For those of you with the Hurst Billet shifter, did you install the shift "stops" that came with it? I got the shifter installed without issue, but can't get the shift stops installed with the shifter in the car. The kit included two threaded bolts/nuts, and there are threads cut into the round shifter base, but I couldn't get either one (front or rear) to start - it's like the angle on the threads wouldn't allow it to start. I imagine I could take the shifter out and reinstall, but I don't really want to do that. FWIW, nothing in the lackluster install manual mentions the stops or shows a picture of them, and none of the online installs I've seen mention it either. Thoughts?