Some advice on my 54 chevy build

COUPLE QUESTIONS ,,1 WHAT 15 RIMS CAN I USED IF AM GOING RUN A 15 INCH 57 CADDY OR 54 BELAIR HUBCAP and ware to buy am running
2 mustang 2 disc brake frontend 5 bolt chevy
# what teeth do i add on the grill when adding more teeth
3 anybody know ware i can find the threaded shifter part on the auto coliumn thanks pals