old thread but thought id help out.. heres where i got mine http://www.acwmotorsportplastics.co...-3dr-full-lexan-polycarbonate-window-kit.html i race in the WRDA sports saloons series with the owners son rear screen does not have to be moulded as lexan is very flexible mines 4mm for msa and he demonstrated this by flexing my screen nearly in half not marking, distorting or cracking it.. not got any better pics as the moment but here
