parts for B20B block

i called pepboys, autozone and my local honda dealer because i'm looking for the following parts: Piston Rings, Oil Pump, Rod Bearings, and Main Bearings. These parts are for an OBDII B20B Block. Pepboys and autozone don't seem to carry anything engine wise for a CRV, and the local honda dealer said no one makes these parts for the CRV, and also said for the main/rod bearings, i would have to measure the crank and give them the data because honda made each crank for its own specs so they can order the bearings for me, and they gave me a total for Piston Rings, Oil PUmp, Rod/Main bearings for about $600. I was wondering is there any place i can order the parts for much cheap so i can hurry up and finish my B16A2 head with B20b Block project for my 00 civic? thanx

http://www.slhonda.com/
http://www.hondaautomotiveparts.com/
You could try those sites.