Professionally rebuilt cylinder head to fit all year 3000 and 100-6 with 6 port head. This head is rebuilt to run with unleaded gas and has all new: intake valves, exhaust valves (stellite faced),intake valve guides, exhaust valve guides, valve spring set, valve stem seals, and hard exhaust valve seats. Head is manufacturer's part number AEC 960 and is painted with 3 coats of official metallic green engine enamel. If your head is cracked, consider this as a more economical and original replacement than the new heads on the market. If your head is not cracked, we also do custom rebuilding if you want to send your head to us---inquire for quote if interested. We have been providing parts and rebuilding services for the British Car Community for over 25 years, and with our extensive core bank can provide a wide range of rebuilt products including carbs, distributors, wiper motors,brake calipers, engines, transmissions, etc.