My 3200GT is currently undergoing an engine rebuild, what started out as a leaky head gasket has ended up as a full engine rebuild. The trouble is that the main bearings don't appear to be available anywhere, Bill McGrath's have looked and can't find any; the big ends are available at a whopping £800+VAT, thank goodness for that! Does anyone know where they could look, who they could ask for mains for this engine, or is it a case of custom bearings!?