Need Help with Wheels!!!

[alskyline]

I am having trouble with finding wheels for my 72 SWB. I have lowered with 2.5 drop spindles and 4" in the back. Due to the Disc brake conversion on all four tires I also would like to have the wider wheels on the back to compensate for the increase in distance of the front wheels. First of all, I am struggling to find a wheel that has a compatible offset, secondly one that also comes in different widths. I want to put 18" Wheels on and then have two that have a width of 8.5 in the front and 10" width in the rear. I also converted my bolt pattern to the 6x5.5 because i really liked a wheel from KMC that they have now discontinued and I have learned that it wouldn't have fit anyway. I am learning a lot right now about wheels and tires. Here are my thoughts:
-1972 SWB
-Lowered 2.5/4
-6x5.5 Bolt Pattern
-18" Wheels with Widths of 18x8.5 and 18x10
-Tires 255/50/18 Front and 275/50/18 Rear

Can you all guide me to manufacturers that can accommodate this?
Any ideas are welcomed also.
Please correct me if I am completely wrong also.