have a set of rebuilt 96 and up vortec heads ran about 1 week got them in a e twords some parts not useing them casting numbers are 10239906 according to MorTec, Inc they are 350 5700 "L31" 64 cc chamber 170cc intake 194" exhaust 1.5" valve. will sell for 300.00 plus ride or possible trade will get pics for anyone interested

Good luck selling them. I have the exact same heads that are rebuilt with 550 lift springs, screw in studs, guideplates, mild ported intake, (mostly gasket matched) and I couldn't sell them for $350. Gonna get an intake and run them.

didnt know how much to ask for them just a start