Boca Bearing has a wide selection...Their kit prices range from about $12 to $85 depending on the quality/materials of the bearings you want...I'm *Personally* going to opt for a tighter radial play (C3) bearing set and a ceramic/stainless steel hybrid....

*My* thoughts are...I'm gonna *Try* and keep these engines going...Since I have bought and gone through a few of these guys recently...I have noticed a tremendous quality difference between the Hanno rear bearing...And those in the rest of my engines (YS or OS)...The Hanno came with an "expensive" Stainless Steel rear bearing from the factory...The Hanno rear bearing is just plain pretty...

Some of my engines seemed to still have the "factory" bearings in them...Some you could tell had been changed with some cheep bearings...Most all showed some signs of corrosion or discoloration...In one case the cheep replacement bearings were extremely corroded (a YS engine I got)...

So I've decided I'm going to step-up a bit when I replace my bearings...I'm going to replace (as necessary) my bearings with the Boca "Lightning Performance" series of Ceramic Hybrids...The first set I need will be for my large rear bearing RF-P...

My Second engine will probably my small rear bearing RF-P but it has a new set of "cheep" bearings in it now (only because I had them)....

I'm doing both the front and rear bearings Ceramic...

Here is a link to the Boca RF-P "Lightning Performance" kit with the small rear bearing:
http://www.bocabearings.com/main1.as...n=*ENK-002C-LP

I know they seem a little expensive...But if you click on each bearing and read through the specs a little...You may see the specs are what you pay for...To me this particular "Level" of bearing makes the most sense...

Here is their quick search guide: (just plug in the vitals and it will bring up the available bearings for the engine you specify)
http://www.bocabearings.com/main1.as...earchkit&cat=2

Just my .02

Chuck