You'll need to fab the drain channel & likely the plate behind it that the top bolts to... I was lucky on my car, it came with a with hard top quarter, I already had saved a top section from a convertible knowing this car needed one, just didn't know it I'd ever get a shot at the car as the owner didn't want to sell it...

More about it here.. http://www.moparts.org/moparts/picture/print/pages/Reddig.html

"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."