roush prototype headers for sale for 5.0 moutiner

selling roush prototype headers made for ford for problam solving and dyno testing. these are brand new never used. cost for $1800 to build these. 1 of 6 sets built, other 5 sets destroyed. i got these from a rep in detroit. only set left. these are a great header. i am asking $350 plus shipping or closest offer. contact me at nvmyturbo@aol.com or iam1lmf@msn.com or the best way is 563-508-0908. thank you.