All will fit the Gold. You will be wasting your money replacing the Gold stylus with the 8mz stylus. You should try to find a used Grado cartridge or body from the MCZ and up. These all have a lower output ( 1.57 mv ). If you want to change the stylus on the Gold you should start with the MCZ not the 8MZ. Here are all the specs on Grado cartridges!
https://www.lpgear.com/category/GRA.html
https://www.lpgear.com/category/GRA.html