BRAND NEW HOLLEY SUPER SNIPER EFI STEALTH 4150 4 BBL FUEL INJECTION SYSTEM,1250 HP, 870 CFM, BLACK, FITS 4150 FLANGE STYLE MANIFOLDS THE SUPER SNIPER STEALTH 4150 EFI SYSTEM FROM HOLLEY FEATURES 8, 100LB/HR FUEL INJECTORS CAPABLE OF SUPPORTING UP TO 650 HP NATURALLY ASPIRATED OR 1250 HP ON FORCED INDUCTION APPLICATIONS. THE SNIPER STEALTH 4150 ECU IS CAPABLE OF FUEL MAP SELF-LEARNING AND IGNITION TIMING CONTROL, IMPROVING IDLE STABILITY, DRIVABILITY, AND WIDE-OPEN THROTTLE HORSEPOWER! DID WE MENTION THAT THE STEALTH 4150 ALSO INCLUDES TRANSMISSION KICK DOWN PROVISIONS FOR GM TH350/400, 200R4/700R4 AND FORD C4/C6 APPLICATIONS. FEATURES: BOLT ON 4150 FLANGE CARBURETOR REPLACEMENT THROTTLE BODY MOUNTED ECU - NO EXTRA BOXES TO MOUNT SUPPORTS UP TO 1250HP WITH EIGHT 100 LB/HR INJECTORS! ALL OF THE WIRING EXITS BELOW THE REAR FUEL INJECTOR COVER, FOR A COMPLETELY STEALTH INSTALLATION TIMED SPARK PART FOR VACUUM ADVANCED DISTRIBUTORS LOCATED UNDER THE FRONT FUEL BOWL, FOR EASY ACCESS TO THE DISTRIBUTOR PROGRAMMABLE INPUTS AND OUTPUTS THREE PROGRAMMABLE 0-5V SENSOR INPUTS FOR OIL/FUEL/DOME OR NITROUS PRESSURE SENSORS SIX PROGRAMMABLE GROUND OUTPUTS ONE +5V REFERENCE OUTPUT - +5V POWER SUPPLY FOR 0-5V SENSORS ONE SENSOR GROUND - GROUND SUPPLY FOR 0-5V SENSORS AIR ENTRY IS MACHINED TO FIT MOST STOCK STYLE AIR CLEANERS WITH AIR CLEANER LOCATOR PROVISIONS ONLY 4 WIRING CONNECTIONS REQUIRED! (BATTERY +, BATTERY - , SWITCHED IGNITION & RPM) EXTERNAL FUEL PRESSURE REGULATOR REQUIRED, SET TO A BASE PRESSURE OF 58.5 PSI INTEGRATED IGNITION TIMING CONTROL HIGH RESOLUTION FULL COLOR TOUCHSCREEN FOR INITIAL SETUP, TUNING, AND GAUGE DISPLAYS SIMPLE CALIBRATION WIZARD (ANSWER A FEW QUESTIONS ABOUT YOUR ENGINE AND IT CREATES THE BASE MAP, THEN STARTS TUNING ON ITS OWN!) - NO LAPTOP REQUIRED! SELF-TUNING ECU MEANS YOU DO NOT HAVE TO BE A COMPUTER/TUNING WIZ TO HAVE EFI! THE INCLUDED GENUINE BOSCH LSU 4.9 WIDEBAND OXYGEN SENSOR PROVIDES REAL-TIME FUEL MAP LEARN! OEM STYLE TPS/IAC AND FUEL PRESSURE REGULATOR, FOR YEARS OF DEPENDABLE SERVICE INCLUDED CLAMP-ON OXYGEN SENSOR KIT FOR 2.25" EXHAUST ENSURES A LEAK FREE OXYGEN SENSOR INSTALLATION, WITH STAINLESS STEEL T-BOLT CLAMPS AND A STAINLESS STEEL (WELDABLE) OXYGEN SENSOR FLANGE SPECS: BRAND: HOLLEY SNIPER EFI CFM: 870 EMISSION CODE: 3 FINISH: BLACK FLANGE STYLE: 4150 FUEL PRESSURE: 58.5 PSI HEIGHT: 3.28" INJECTOR SIZE: 100 LB/HR @ 58.5 PSI INLET / OUTLET SIZE: 3/4-16 FEMALE O-RING (AN 8) MAP SENSOR: 2BAR MAX HORSEPOWER RATING: 650 NATURALLY ASPIRATED MODEL: 4150 EFI CONVERSION THROTTLE BODY PRODUCT TYPE: EFI TRANSMISSION: 700R4/200R4 - FORD C4/C6 - TH350 YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS FUEL INJECTOR HERE, AND THE QUICKSTART GUIDE HERE.