Explorer Stage 3 Bundle This kit includes the all new Stage 3 injectors and HPFP kit for 1 great price!What sets Nostrum apart: Largest 3.0L EcoBoost GDI injector available-96% larger than a factory 3.0 EB Injector Direct replacement OEM comparable spray... MSRP: $4,398.00 Was: Now: $4,198.00