The factory injectors found in the Audi S3, Audi TTS, VW Golf ED30, VW Golf ED35, VW Golf Pirelli, VW Golf R and VW Scirocco R, Seat Leon Cupra and Seat Leon Cupra R K04 are the largest petrol vehicles Bosch HDEV 1 direct injection injectors currently available for the VAG 2.0T FSI EA113 engine platform. Capable of handling over 500 HP in extreme applications, these gasoline direct injection injectors feature the proper spray pattern designed to provide reliable operation under all normal conditions. These injectors are approximately 13% larger than the standard injectors supplied on K03 based vehicles and are required for any APR 2.0T FSI K04 customer supply injector for the kit. OEM Part Number: 06F 906 036 F Direct Replacement OEM (Engine Codes): BHZ, BWJ, BYD, BZC, CDL, CDM, CRZ Upgrade Compatible OEM (Engine Codes): AAX, BGB, BPG, BPJ, BPY , BUL, BWA, BWE, BWT, BYK Please note that specific ECU software is required to run these injectors on engines not originally equipped with these injectors. If you are in any doubt whether these injectors are suitable for your vehicle or any APR turbocharger system, please contact an APR representative. Features: High-flow OEM injectors Plug and play with applicable tune 13% larger than stock K03 based vehicle injectors