With $2000, I would do either of the following:

1) Intercooled setup
Full size intercooler
1.9 ratio rockers
Headers (TOG, SLP, ZZP)
Wideband O2
Intake
180* Tstat
Whatever size pulley you can run
Get it tuned

OR

2) Cam Setup
XP or S1X cam
Stock timing chain and dampener
105# valve springs
Headers
Intake
180* tstat
Whatever size pulley you can run
Get it tuned

Maybe 42.5lb injectors for both setups depending on pulley and if you need them.