Ok, for the fuel system.
The k series engines uses a fuel system with no return line so for the civic that needs to be modified.
Basically, there are different ways u can set it up
From the stock fuel filter, you will need a banjo bolt+fitting to go in the fuel line that will take you to the Fuel PRessure regulator, then to the fuel rail, out of the fuel rail returning back.
Some people put the pressure gauge on the fuel rail, other on the Fuel PRessure regulator and some add a gauge to get the correct pressure dialed in and then remove it. The aeromotove FPR that I will be using has a place for the gauge so that is where I will be mounting mine.
There are 3-4 fuel rails that can be used not to mention that with the right tools you can even modify the stock k20a fuel rail, but I didn;t want to start a fire so I didn;t. The AEM , STR , units are nice but the Golden Eagle Fuel rail was the best choice for me because it costs around $100 less that the others.
So basically you need a fuel rail, lines, fittings, FPR and a guage
Different fuel rails have different openings. For example the STR rail has -10 AN and the GE one has -8 AN so the only parts that would change in the list below would be the 2 -6 AN to -8 AN Flare Reducers
I got the AEROMOTIVE one from jegs for $130.. summit racing has the same price
1 Aeromotive A1000-6 Injected Bypass Regulator - A1000 -6 Injected Bypass Regulator
Part number is :027-13109 $131.99
My complete fuel set up
Golden Eagle fuel rail from camp1320.com $120 shipped
lines and fittings from http://www.jegs.com
Qty. Item Item Price Subtotal
2 Jeg's ''AN'' Union Adapter & Reducer Fittings - -6 AN to -8 AN Flare Reducer
1 Aeroquip AQP Stainless Steel Braided Hose - AN Size: -06; 6 Foot Length
023-FCA0606 $29.99 $29.99
1 Aeromotive A1000-6 Injected Bypass Regulator - A1000 -6 Injected Bypass Regulator 027-13109 $131.99 $131.99
1 Jeg's ''AN'' Plugs and Caps - -6 AN Flare Plug
555-100302 $2.69 $2.69
1 Jeg's ''AN'' Swivel Hose End Fittings - -6 AN Hose End
555-100001 $4.99 $4.99
4 Jeg's ''AN'' Swivel Hose End Fittings - -6 AN 45� Hose End
555-100011 $13.99 $55.96
1 Jeg's ''AN'' Union Adapter & Reducer Fittings - -6 AN Flare Union
555-100202 $1.99 $1.99
1 Jeg's Fuel Pressure Gauge - 0-100 psi Fuel Pressure Gauge
555-41013 $19.99 $19.99
Subtotal $265.58 <--- $265.58 Summit racing would be the same almost unless you went with rusell fitings that are a little bit more
Then the banjo bolt I got from http://www.summitracing.com
Earl's Performance Plumbing
EAR-807691 Fitting, Hose End, Single Banjo -6 AN to 12mm x 1.25, Swivel Seal, Red/Blue, Ea <---- $19
I received the banjo bolt ands tested it on the stock fuel fillet works, great.
So overall, around $400 for complete suel system
Here's a pic of a nice EK k20a. Notice how his setup has the FPR
HERE' S A EG WITH THE FPR MOUNTED ON THE FUEL RAIL
I hope this is enough info. Of course the fewer fittings u use the less it will cost you. 45 degree fittings are the most expensive and in theory you can avoid most of them but one but I wanted the fuel line to be rooted in a nice way.