5.6mm ID Fuel line http://www.coolairvw.co.uk/Item/Featured_Products/HOSER-5/5.6mm_Rubber_Fuel_Hose_-OB-Sold_Per_Metre-CB-.html 'Proper' Fuel line clips for the above Hose http://www.coolairvw.co.uk/Item/Shop_by_Vehicle~Beetle_Products~Beetle_Miscellaneous_Products~Hoses_and_Fittings~Fuel_and_Oil_Hose/N0245281-2/Fuel_Hose_Clip_11-13mm.html sourced with my own fair hands and fitted to my daily driven 78 the 71 holiday van and the better half's daily driven 1970 Beetle modern fuel obliterates the cotton overbraided fuel hose that was originally fitted to our VW's