I just bought a partial kit that had much less than this and I am looking at between 1,500-2,000 for the rest of the parts I need. One other handy piece you will need is the 197 page 398 step installation manual (24.00 shipped)
If you commit to purchasing this kit, the first thing you should purchase is the Install Manual, I've been looking through it and writing down each Piece I will need, so when I have my motor torn apart and half way through install, i'm not waiting 5 days for something as simple as the intake runner gaskets.
also take a look at this thred
i was able to purchase the AFCO dual pass through speedway for $279.00 shipped from their garage sale area.
you can also buy that pump on ebay for $85-$120 and the wiring harness for $15 more
kenne bell will charge $225 for the heat exchanger + $90 for the brackets, $150 for the pump not including the wiring harness.
I hope this helps anyone who is looking at buying this kit, I talked to Mike over email, but I ended up having a kit fall into my lap and couldn't pass up the opportunity I was given.