New, used, stock, open, LO206, animal, 305? What are you looking for?
How much are you looking to spend and how many engines do you want?
There are lots of ohv engines available currently -- check out the engine classifieds section on this site alone. You are welcome to give us a call if you're looking for new, or freshly rebuilt used engines.
Thanks and God bless,
Carlson Racing Engines