We just did a Vortec head conversion on my son's 1978 Z28. We purchased a kit from Scoggin Dicky Chevrolet. It was very nice. Has the spring upgrade for cams up to .525 lift, heads, rocker arms, head gaskets, intake gaskets, edelbrock performer RPM air gap manifold, manifold bolts and head bolts. Very nice kit for a very good price. It was nice to have all the parts and pieces together and it all works great!
