Holden Combo Fuel Injectors to suit Holden Combo, Series - XC, Month/Year - 5.05 - 7.13, Engine Code - Z14XEP, 4 Cyl, Engine Capacity - 1.4L - The advertised price is for a set of 4 injectors. We only sell these as sets and strongly advise that you replace the entire set of fuel injectors for warrnty purposes.