True or false cragar 15's in 4 inch bolt pattern?

15x8 with 5 on 4" bolt circle.
4-1/4" backspace
275/60/15
NOT unilug, shank lug nuts.

They do look a little different from the classic Cragers, the spokes are shorter and an extra band in the hub. I could not find an original set in good shape. I love the look but they are HEAVY.

These fit fine on my car, but tolerances and opinions on backspace may vary...
I ended up with 3/8" clearance to leaf springs in stock location. At least 1" to wheel well lip, maybe 1-1/2. I never have meaured, it's so far from hitting.
I do run Espo +1" springs.

View attachment 1715073498
Like the stance. I otta be able to run 275/60R15 on my 67 cuda rear with a sbp 15x8's 4.5 inch backspacing.