type IV head work?

[somevwguy]

I found a set of free 2.0 914 type IV heads that have a few cracks in them.  Does anyone know of any local shops that do this sort of repair? or big valves in type IV heads?

thanks for the help, Jeff 

[52 split]

where are the cracks. i have had a set done where the exhaust bosses where snapped of and repaired by a local welder at a aluminum boat maker. then had 8mm SS 44x38 valves installed and made sure to peen over the seats. two years no problems. find someone  local who welds aluminum. are you sure they are true 914 2ltr, they should have only three manifold studs, if you see four they are VW.