RB25DET 240sx Swap

I just took a look on eBay for the Greddy Intake Manifold Plenum & Greddy Intercooler Kit (LS-Spec for Skyline GT-S ECR33 RB25DET Model) … Both items for a lil over $1200 lol … How much is the Q45 Throttle body & the adapter? Would i require the Greddy Fuel Rail Line with the Intake Manifold Plenum?

As for the fuel & oil, im very well aware of what id need to run this sucker good lol