Those could be really cool all cleaned up, Are they SBP?
John B.
Looks like they are unilug (slotted lug holes). Will fit either small or large bolt pattern, they have a reputation for being dangerous, lug nuts tend to loosen on them. Check em for cracks and wear around the lug slots.
I could be wrong, I thought they fit 4" to 4 1/2"you sure? i don't remember the uni lug fitting a 4" pattern. 4 1/2 and 4 3/4 maybe but i don't remember 4"
to me, both skinny & fatty look like 4-lug, look really close