Thanks for the link to the instructions. The top is definitely not a Kayline, though, it's an original from 1970. One of the pieces I have can be seen above the windshield on the bronze Jimmy on this brochure. Still trying to figure out how that piece attaches so the canvas can still be installed/removed though. There is a plastic channel on the top that attaches to the part above the windshield.
And on this one (thank to BobbyK for this image):
http://public.fotki.com/blazbk/blaze...er4.html#media