ported/gasflowed head

[poloandyb]

hi all,im wanting to port/gasflow my g40 head iv got,iv phoned round the engine services iv used before with my other engines and no one seems to be bothered anymore.
dose anyone know a good place where i can in yorkshire????i live in wakefield but dont mind traveling further a field i.e out side of yorkshire within reason

cheers for any help