MT Drag Radials on 15x9 aluminum rims 4 sale(pics added)

38 Dodge said
Did I miss it but what is the bolt pattern on the rims?

LBP 4.5x5 with 4.5 inch backspace.I used these on my 73 Dart Sport with 275/50/15 MT drag radials.No minitub or spring relo.
View attachment Cayuga 006.jpg