Cylinder Head, bare, standard, aluminium

Standard bare aluminium head without valves or springs.
Machined cylinder head to suit standard valves. Valve guides are fitted and reamed to take standard stem valves. Valve seats cut ready for standard size valves, this spec cannot be re-machined for larger valves. Push rod tubes are installed and hardened valve spring seating washers are supplied with alloy heads. Requires final assembly.