B18c1=USDM 170hp
B18C= JDM GSR SIR-G OR ITR , depends if it has LSD or not. JDM GSR has 180hp, JDM ITR has 190-200 hp
B18A/B=LS 145hp
B16A2/3=1.6l 160hp

GSR SWAPS run around $2200-3500 depengind on year and mileage
ITR swaps run $4500 for JDM ITR

GSR is the best for the money IMO

Expect labor to be around $700 to $1200