replacing port and starboard cam cleats for traveler line

Does anyone know of a good resonably priced source for these?  I ordered 2 on Ebay but they are way too big.  My Apollo simply uses jam cleats but I prefer to go the cam route.

Thanks

This I did after having to replace everything - cleats work nice this way and you don't sit on them
   

Check out GLMO. Tony is a Force 5 sailor and has his site setup to serve us. This has to be the best price around.
www.glmo.net/category-s/1850.htm