-Cylinder heads are numbered- 1196914 will fit any Nailhead 364-401-425 from 1959 to 1966 (Heads need to be rebuilt) Intake manifold Water Crossover Valve Covers Plug Covers SOLD! Valley Pan Plugs covers are not included anymore so $200 takes the rest Call or text Derek (951)575- 5745 for more info Local pickup preferred. Thanks