More images of the cylinder head overhaul.
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These images show the difference between the inlet and outlet valve fittings, the left hand image has two components to the Collette retainer whilst the right hand image shows only one component.
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This images shows the hardened exhaust inlet valve seat, you can just make out the different colour metal ring. The next image shows the valve after the valve seat was lapped in, you need to see a gray colour band all the way around the valve taper seat.
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All the valves are now fitted to the cylinder head, valve stems and guide bores etc were lubed with engine oil prior to assembly, also the rocker shaft oil feed galley in the cylinder head was checked with compressed air to make sure its clear.