THESE INJECTORS HAVE BEEN TAKEN APART ALL PARTS ULTRASONC CLEANED ALL FAULTY PARTS REPLACED .THEN FULLY TESTED .THESE INJECTORS ARE SERVICE EXCHANGE .IF I DO NOT HAVE THESE IN STOCK I WILL REPAIR YOUR OWN FOR £50. I AM A RETIRED DIESEL MECHANIC IF YOU REQUIRE ANY ADVICE PLEASE CONTACT ME JOHN 01782515638 please do not buy before i receive your ijectors