I have a complete engine, supposed to have only been broke in. I haven't done anything with it myself, just a spare for when the 25 expires in the Savage(no signs of it yet). I'm not sure if I want to part with it, what price range are you thinking?
I can buy a new one for 100 bucks, I would advise you keep that one unless there is something you need in trade.
Piston and sleeves run 40 ish for these. I was just hoping someone had a STS they gave up on.
Let me check my fundage and see what kind of offer I can make you.