If you're looking for a little bump in power for your TDI, these FACTORY Bosch nozzles are a great, simple upgrade. This is a factory Bosch nozzle that are used in the TDI's in the European market, and are built for the higher 110HP rated engines, versus the 90HP for the US market.
We have tested some of the other manufacturers of nozzles for the TDI's, and these have proven to be smoother running and less smoke than the alternatives. Sold indiviudally.