hey all

i bought some very cool vintage nos cab lights to go on top of the cab on my 1946 2 ton. they are green, which is allowed in california on old trucks (i checked the vehicle code)

my question is about spacing. I have 5.
is there any standard spacing? the middle 3 are always closer together, but I dont know if there is any standard, or just go with what looks good.

any help would be appreciated

best regards