you can buy engine parts off e bay from nascar builds there 4 guys that i pick up stuff from and Roush sell on ebay as well so not all of it gets scraped . they say that so the little guy will not bug them they have a guy roll in buy it all and haul it away . other race shops do this if they do not want to deal with selling used parts .i have dealed with some shops on real $$$$ race parts$$$.I could not say there name in adds or to say there name to any one of were it came from.. any boxs of parts or blocks cranks or rockers could not have there name on them .if so the name had to be removed before i sold it .. at this point i said to much about them already i here black helicopters over my house