leak off pipes

hi all ..Im Mike from west mids...my RR 2.5 96 vintage I think ,[this after reading forums] ,needs new diesel return pipes ..anybody got any to sell.where to find..my motor cranks and even tries start right after glow plug application,then just flattens battery,,my leak off pipes are wet im hoping this is problem..any help appreciated...I have cracked all injectors and have fuel at all but still no go?????????