I bought this kit from checkeredsports.com but took it off my car when I sold it. The MC and spacer was on my car for about 6 months. You will need to buy a new firewall gasket from Honda.

Asking $100 shipped

You can read my how to thread here: https://honda-tech.com/forums/acura-integra-6/how-s2000-clutch-master-cylinder-into-dc-eg-2830117/

(sticker and gasket not included)