I can only assume what you're swapping the H into. Let's guess it's a 5th generation civic....Best bang for the buck is the H22a OBD1:
http://www.hmotorsonline.com/shop/sc...0017Here's the Type S:
http://www.hmotorsonline.com/shop/sc...ge&item=30018H motors is a little expensive, you may do better looking at the recycling yard but you can find a 92-95 Prelude motor. Unless you do a knuckle swap, you will need some "hybrid" axles (32 spline axle stub at the outer shaft with the prelude inner stub and main shaft). Motor mount are H and you may need to modify them.Also, here's a nice thread about what you need to "do" the swap:
http://honda-tech.com/zerothread?id=131949H22a, using P13 or a chipped P28 or chipped P30:Pros200 hpH22=156 ft/lbs torqueF20B=145 ft/lbs torqueGreat torqueDOESN'T WEIGH THAT MUCH MORE THAN A B SWAP!!
http://honda-tech.com/zerothread?id=684550ConsHarder to install than a B/D motortransmission feel is vague IMHO
www.honda-tech.com