These guys will have what you need for a good price. Check all the tubes and make sure it isn’t cracked anywhere
https://prosites-llcwccd.homestead.com
Also don’t mess around with the hot side of the transformer. Ranges from 12k volts to 15k volts. It’ll make you tingle a bit!
If you have questions about hooking it all up just ping me, my dad has been working with neon for 25 years.