Re: 18" x 9.5" wheel front wheel backspacing on '68 GMC w/ 73-87 crossmember
My 72 has a 73-87 front end which I could measure for you, but I'm running an 18x8" wheel. Specs list it as 4.5" of BS and it fits great.
https://www.summitracing.com/parts/mbw-23207/overview/
__________________
RIP EastSideLowLife
'72 C20 SWB convert. 5 lug, LS1/4l60e
|