This head came on a Rebuilt VSE engine fitted in my XK120 the engine had only covered 100 Miles so I decided to replace the head for the correct type for my Engine and have this for sale the Foundry casting number is C2143 head No EK55 the type of Head is C26200 which I believe is an E Type Series 2 it has all the valves springs and caps and All the Cam Shaft caps and is in excellent condition