Best place for non-standard guitar parts in the UK.

Looking to get non-standard pickgaurd for my strat, but Amazon/Ebay only sell the standard sets you'd expect, and the guitar shops just don't seem to put much on websites of their parts lists. Are there any good UK shops or websites that would sell weird configurations of parts?

Just looking for a Strat pickgaurd with Bridge and Neck Single coil in pearlescant (like a telecaster).