Wanting complete blown SV600 Kohler Motor

Looking to buy a complete SV series single cylinder Kohler Courage engine that has major damage.

I need a variety of parts to complete a bare SV600 short block for my dad's LT1045 riding mower.

Prefer to find something within reasonable driving distance to St. Louis MO....that is as inexpensive as possible.

Please PM what you might have available.

Thanks...