5 speed conversion and escort diff

Hey all I'm really badly trying to to hunt down a 5 speed conversion for a mk2 cortina 1600 and also hunting a escort diff preferably LSD and looking for 3.54 or 3.77 ratios I'm good for the money and I'm located on the Gold Coast in qld but will pay for shipping if need be anyone with anything please let me know on 043100615 yes I know I can buy the conversion kit and the LSD centre but hoping to try and get something bolt in
Cheers