Help with Swiftech block and Piping

Right i just purchased a block from Pclinics. Now the block is great and arrived well but my pipe although being 1/2" od is slightly differant from standard Swiftech piping. my problem is does anyone know where else in the Uk does this sort of pipe.

I have a tbred B 1700XP dying to be cooled ???

padded cell required imenatly!