The standard windshield frame is painted black while the DeLuxe frame is chrome. The DeLuxe windshield is also about 1-1/2 " shorter but I don't know either dimension offhand
My standard 31 roadster has no holes for cowl lights and never has .The standard roadster had different top irons that were more like some 28-29 cars . The standard windshield and stanchions
are taller than deluxe .