I have them in stock, I can ship it when I return on Tuesday.
You can use the Mark timing cover.
There are a few different ways to plumb fuel rails, but you'll stay return style. I don't even want to get into that untill you have a better idea on what you want.
It has to be sized properly or you'll either get too little fuel and long crank times when starting, or you'll get too much recirc back to the tank and heat the fuel pointlesly.
You obviously NEED to do more research. The cobra intake is THE SAME as the Mach1 intake. The only difference is that it lacks the cobra indention and emblem in the upper hat.
The shaker assy is nothing more than a pointless add on IMHO.