I have a set of GM Performance Parts Aluminum Oval Ports for Sale. They are Brand New on a ZZ502 Crate Engine that has never been run other than the factory test. I'll sell the heads complete with rocker arms and the Intake Manifold for 1595.00. You can go to the following link to see what they are:
http://www.sdpc2000.com/catalog/281/...inder-Head.htm
If your interested PM me or send me an email:
[email protected].