BRAND NEW HOLLEY TERMINATOR X STEALTH 4150 EFI SYSTEM, BLACK, 650 HP WITH FOUR 100 LB PER HR INJECTORS THE TERMINATOR X STEALTH 4150 EFI SYSTEM FROM HOLLEY FEATURES 4, 100LB/HR FUEL INJECTORS CAPABLE OF SUPPORTING UP TO 650 HP NATURALLY ASPIRATED OR 600 HP ON FORCED INDUCTION APPLICATIONS. THE TERMINATOR X ECU IS CAPABLE OF FUEL MAP SELF-LEARNING & IGNITION TIMING CONTROL, IMPROVING IDLE STABILITY, DRIVABILITY & WIDE-OPEN THROTTLE HORSEPOWER! STEALTH 4150 ALSO INCLUDES TRANSMISSION KICK DOWN PROVISIONS FOR GM TH350/400, 200R4/700R4 & FORD C4/C6 APPLICATIONS. FEATURES: BOLT ON 4150 FLANGE CARBURETOR REPLACEMENT SUPPORTS UP TO 650HP WITH FOUR 100LB/HR INJECTORS INCLUDES HIGH PRESSURE FUEL CROSSOVER LINE ALL OF THE WIRING EXITS BELOW THE REAR FUEL INJECTOR COVER, FOR A COMPLETELY STEALTH INSTALL TIMED SPARK PORT FOR VACUUM ADVANCED DISTRIBUTORS LOCATED UNDER THE FRONT FUEL BOWL, FOR EASY ACCESS TO THE DISTRIBUTOR AIR ENTRY IS MACHINED TO FIT MOST STOCK STYLE AIR CLEANERS WITH AIR CLEANER LOCATOR PROVISIONS EXTERNAL FUEL PRESSURE REGULATOR REQUIRED, SET TO A BASE PRESSURE OF 58.5 PSI, LIKE HOLLEY PART # 12-886 INTEGRATED IGNITION TIMING CONTROL IMPROVES IDLE STABILITY, FUEL ECONOMY, AND WIDE OPEN THROTTLE PERFORMANCE HIGH RESOLUTION FULL COLOR TOUCHSCREEN FOR INITIAL SETUP, TUNING & GAUGE DISPLAYS SIMPLE CALIBRATION WIZARD - NO LAPTOP REQUIRED INCLUDED GENUINE BOSCH LSU 4.9 WIDEBAND OXYGEN SENSOR PROVIDES REAL-TIME FUEL MAP LEARN OEM STYLE TPS/IAC FOR YEARS OF DEPENDABLE SERVICE SPECS: BRAND: HOLLEY EFI COLOR: BLACK INJECTOR SIZE: 100 LB/HR @ 58.5 PSI MAX HORSEPOWER RATING: 650 NATURALLY ASPIRATED PRODUCT TYPE: EFI SYSTEM YOU CAN VIEW AND DOWNLOAD THE QUICK START INSTRUCTION BOOKLETS FOR THIS EFI SYSTEM HERE.