Engine/Transmission (1998.5 - 2002) injector I.D.

[GOTSOOT]

I have a set of 24 valve inj. and they have some electri pencil engraving on them aas follows;M T D 07/03 #79 and each one has been numbered one thru six. If any one can relate to these if you owned them,I would really like to know what size hey are,and who made them. thanx