To reply to your questions, 1. I changed to 4 1/2" (LBP) wheel bolt spacing. The Mopar Dude in Burlington Kansas built my wheels. 2. Glenn at G-Car did the dash refurbishment. Charger Specialties provide the tachometer and Napa or Summit provided the volt meter. 3. The tailshaft is provided by GV for my transmission and application. The diameter of the actual OD unit required the lowering of the crossmember. They say a little work with a hammer lets you stay stock but I did not want the install the be that tight and If you knew you were going to do that and the car was on a rotisserie you could clearance it with heat and a BMFH. My car was in final assembly and that was not an option for me.