That looks to be a Cab Enclosure hardtop, which means it requires the vertical windshield.
“CJ3B high hood project Buick v6 T90 3spd Dana 20 transfer case lot’s of parts hard top don’t fit but a good fabricator can make work”
https://kalispell.craigslist.org/pts/d/1953-willys-cj3b/6370010207.html