I looked at coker tire site for our rally wheels and they sell 18x8 with 4.50 back set. I was always under the impression the correct bs was 4.25. I plan on mounting two wheels at rear with nitto 555r drag radials. Just looking for advice on my clearances. Thank you Dennis
Factory B/S is 4 3/8. If you use a 1" wider rim, you would add half (1/2") to B/S to maintain factory spec. That's only 1/8" from Coker's 4 1/2, which is typical offset. Wouldn't hurt to measure current inside/outside clearances to see if yours has the infamous frame-to-body misalignment...