Here's the updated links below, turns out they weren't out of date, but the links were a little broken. That's the Allens Fastners ones fixed.
1st - Bolts
Most of the bolts you'll need are M6x1.0 thread. Get 25mm length for most of them, and a few 16mm (some of the bolts have to be very short)
http://www.allensfasteners.com/detail.a ... t_ID=70507
For the bolts around the perimeter of the plenum, 25mm is perfect, there are either 9 or 10... I can't remember for sure. You'll also need 4x60mm and 3x40mm and 2 M6 nuts (chrome ones look nice http://www.allensfasteners.com/detail.a ... t_ID=00079)
If you have a 5/16 or 3/8 spacer, add 10mm to each bolt size.
The larger ones that hold on the radiator support are M8x1.25x20mm
Also, the nuts for your strut towers are M8x1.25
Now if you really want baller status, you can get the bolts in chrome instead of stainless... and they are very shiny: http://www.allensfasteners.com/detail.a ... t_ID=70665
Also, these look great for the throttle body (especially if you have a polished TB and plenum)
http://www.allensfasteners.com/detail.a ... t_ID=20200
Some guys use this style around the plenum, which looks good as well.