225 spark plug tubes

I'm looking for some 225 spark plug tubesbat a reasonable price and in good condition. Some of mine seem fine others look like they were over torqued and spread out a bit. I'm guessing this is why I'm getting oil in there still after tearing into the head and also I think my gas is just going into the oil as it's not being combusted in there. I'd like a whole set if possible.