What else needs to be done on changing intake valley gaskets as well as the supercharger gasket ?

While the blower is removed, you can replace the thermostat with our 82-degree one. Unfortunately, we don't sell the gasket for it, but they're readily available at your local auto parts stores.

http://www.maceengineering.com.au/epages/shop.sf/en_AU/?ObjectID=1469641&ViewAction=ViewProduct