To be honest, $80 for new is not out of the ordinary range. The '77 and '78 models used the same petcock, but it is different from the earlier years. Since it was only for a short production run, the price is much higher. When my mechanic was looking for a new one for my '77K, he too could not believe the high cost. He did not know that, fortunately, I had bought one in the late 1980s when they were much more affordable and kept it in my garage.
