ShootTheCore
Legendary
The harness you linked to has a CPS1 kick harness connector, so you'd need to purchase their additional adapter to use it with your CPS2 boards:
https://www.tops-game.jp/products/detail.php?product_id=2564
If your purchase both of those from Tops then you'll have what you need, but that's $100 plus shipping for both of them. Ugh.
https://www.tops-game.jp/products/detail.php?product_id=2564
If your purchase both of those from Tops then you'll have what you need, but that's $100 plus shipping for both of them. Ugh.