Symmetrically arranged micro-nozzles form a uniform fan-shaped fuel mist, eliminating locally excessively rich/lean air-fuel mixtures and stabilizing engine operation during heavy-load uphill climbing and high-speed overtaking. It can still maintain the consistency of needle valve reset speed, avoiding the residual gasoline smell in the engine compartment due to delayed fuel cut-off. For A3 for Quattro 2.0L I4 for Turbo 2005 2006 2007 2008 4PCS 06F906036A 0261500020 Fuel Injector Injector nozzle Injector Durable Material: The injector is made of high-strength steel for maximum durability. Easy to use: just put the tool into the injector hole, tighten the handle and lift the seal., Manufacturer: TRFBD