Get the upper and the throttle body. Oh yes, don't forget you'll either need the BAT inlet pipe or a new accordian pipe to fit the larger TB. Definitely feels gains with the top end done.

Other parts you'll need:

- accelerator cable
- throttle bracket
- UIM gaskets
- TB gasket
- IAC gasket

Why not add some BNM powder coated valve covers while you're in there? They look great!