Cragar SBP Spinner Caps
My understanding is Cragar never made sbp spinner caps.
I've never seen them, until now.
First pic has, left to right, 14" and 15" bbp S/S cap, 14" and 15" bbp G/S spinner, 13" 4 lug S/S cap, 14" sbp cap.
Second pic shows sbp caps and spinners.