Hi Jerome, this combo will serve you well!
There was only one bellhousing pattern available on the 4.2 from 2001-2009. I personally run a 2006 Trailblazer Engine with a 2006 Solstice trans. The 2 are connected with an H3 bellhousing.
You'll need a custom flywheel from Jerry Weight, otherwise you can use stock canyon clutch, slave, pilot, etc.
The trans control stuff is easily deleted with a tune to make the 4.2 play nice with a manual.
If you haven't already, you may want to check out vortec4200.com where there are several swaps being documented.
I run lime-swap.com and sell stand-alone harnesses and PCM reflashes for the 4.2
EFI runs emtechmotorsports.com where you can get a rear sump pan.
BTW, $2000 is a pretty good deal for a 2008 motor! There's not many of them around.