Depending on how much of the coin handling equipment is already there. But these are all the parts you will need:
1. Coin in bracket with comparitor, harness, diverter, and optics.
2. Coin in head
3. Hopper
4. Hopper bracket and plug if your machine does not have it.
5. Coin out plastic cover. On some machines, the coin out area is blocked with a metal plate. If your machine has this plate, you will need the plastic cover with the coin out hole to replace it.
6. coin guide.
It is about $100 worth of parts plus the shipping. Sometimes less.