Finally got my heads from Slowboy racing, they were sold after a guy used them for 3000miles odd and then broke the car and stripped the engine.
Neil skimmed the head, re-lapped the valves and shimmed everything up
Version 5 Heads
CNC ported
Supertech 1 mm oversize valves.
Supertech Dual valve springs
Titanium retainers
One piece buckets
Kelford 190-E cams 274/270 Duration, 10.60mm Lift.
They will need stripping down and a final build up as they have sat about for a bit but they are fully assembled and look great. will be adding this to my project thread