The intake is available from only one source. Email email@example.com
, or PM 99BonnevilleSE on this forum. He'* also working on exhaust. The thermostat can be purchased at any auto parts store. Just tell them you want the stock thermostat, but in 180° instead of 195°. If they don't have their heads up there south ends, they should be able to give you the right part. You also need the rubber seal and gasket. You MAY have to get the gasket from the pontiac dealer. They can be hard to find.