about to pull the trigger on a scarebird kit

[69DARTS]

This is a mbm kit its a complete kit
no change the uppers arm
the rotors are 84 dippy looks to be cast in a 4 .inch bolt pattern not redrilled.Calipers pads and such 73 up parts.
but these will not fit 14 inch rim anything
so now I dont knoe what to do maybe a spacer