k20 intermediate shaft $220
Axles from 02+ si $100
RSX Subframe $600-150
Hasport Mounts $400
Shifter Assembly $100
Shifter Cables 300
02+ si radiator. i used the rsx radiator 150
fans 30
02+ si upper radiator hose 13
02+ si lower radiator hose 11
RSX Throttle cable 40
RSX Fuel Line 45
RSX Brake booster line 45
RSX Purge Line 40
02+ si ac line from compressor to condensor 100
RSX Clutch Line From slave to master 20
RSX high pressure power steering hose 240
RSX Power steering return line 50
92-95 Civic Power steering resevoir with bracket 50
Price without swap $2554-$2104
i hope that's helps answer your question, if you're on a budget and you want power, boost is the way to go, don't get me wrong every time i see a picture or youtube video of a em2 with a k20 in it, i wet my pants. The prices above the are the things you need, the amount it will cost, roughly without the engine, transmission, ecu,alternator, clutch, flywheel, starter, intake manifold, fuel rail, injectors, coils and engine harnesses. here's the price of the rest of the parts you'll need without the engine and transmission.
ECU 200-350
K20 Alternator 100
Clutch 60-100
Flywheel 150-200
Starter 74-100
Intake Manifold 100-200
Exhaust Manifold 50-250
Fuel Rail 100-300
Injectors 350
Coils 50-200
Engine Harness 450
Price without engine and transmission 1634-2600