Porsche 356 Cylinder Head. Good exhaust studs, Intake and Sparkplug threads good, Valve seats and valve-stem Guides good. These heads are pulls from working engines we used to race. They were rotated during tear-downs and rebuilds and have sat thus in boxes for the last decade or so. Being sold as core, rebuildables. We have a very limited supply of these older, harder to source Porsche parts. See our selection of 356 and 912 short and long blocks in our Porsche category.