We Resurface the Cylinder Head to correct the warpage, test the valves for leaks, check the head for cracks and clean all gasket surfaces. We take off .008' on the head.
Get your replacement Head Gasket set HERE: https://amzn.to/4gDvKWQ
My favourite LONG handle Gear Wrenches HERE: https://amzn.to/3BYVEFi