Lubricate the o-rings of your injectors with a small amount of engine oil
and fit them to the fuel rail.
Lubricate the nozzle end o-rings of your injectors with a small amount of
engine oil and fit the rail and injectors to the intake manifold. Take care
in guiding each injector into their respective injector adapter.
Using the supplied M6 bolts and spring washers bolt the rail to the intake
manifold.