Check out our NEW complete set of rotary pump TDI (1Z, AHU, ALH) injectors with upgraded Bosio injector nozzles! These injectors have been professionally rebuilt and calibrated with new nozzles by Bosch service centers on Bosch equipment. Available with your choice of DLC 520 or PowerPlus 520 nozzles. Fully tested and ready for immediate installation. All nozzles are Genuine Bosio product, direct from Italy. SHOP NOW!