Here is how to install pop out windows in my 74 supper beetle.I got the windows at a vw show for $40.00 a set so it cost me 87.99 for the full install. Its a lot cheaper then new windows. Parts list below from http://www.wolfsburgwest.com
113847131A P/OUT WELT SET 1 14.00
113847135A P/OUT SEAL 65-PR, WW 1 14.00
N141221 P/OUT WNDW SCRW KIT HINGE/BODY,PR 1 3.00
113847129A H/CVR P/OUT WHT 2 13.00
N140852 SRW SET 65- POUT 1 3.00