Grumpy Jenkins ZL1 Heads?

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----I once had some work to do on a 66 427/425 Corvette and noticed that the heads had been "massaged". They werent dated to the car and the engine had to come apart for other reasons. I found a set of correct dated heads and kept the massaged heads when I found "Ported by Jocko" stamped on both. You older California guys ought to remember his name well enough. The heads were beautiful, but I never seemed to end up with the right project and eventually sold them to Dennis Tracy. Wish I would have kept them!......Bill S