BRAND NEW HOLLEY EFI TERMINATOR X MAX STEALTH 4150, GOLD FINISH, 58X CRANK, TRANSMISSION CONTROL, 650 HP, 3.5" TOUCHSCREEN, COMPATIBLE WITH GM LS ENGINES 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. FEATURES FUEL MAPS THAT SELF-LEARN & INTEGRATED IGNITION TIMING CONTROL, YIELDING IMPROVED IDLE STABILITY, DRIVABILITY & HORSEPOWER AT WIDE-OPEN THROTTLE! ALSO INCLUDES TRANSMISSION KICK DOWN PROVISIONS FOR GM TH350/400, 200R4/700R4 & FORD C4/C6 APPLICATIONS. TERMINATOR X MAX KITS PROVIDE PLUG & PLAY TRANSMISSION CONTROL FOR GM 4L60 & 4L80 TRANSMISSIONS. FEATURES: SUPPORTS UP TO 650HP WITH FOUR 100LB./HR. INJECTORS INTERNAL 1BAR MAP SENSOR, BUILT INTO THE TERMINATOR X ECU ALL OF THE WIRING EXITS BELOW THE FUEL INJECTOR BOWLS, FOR A COMPLETELY STEALTH INSTALLATION AIR ENTRY 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 INTEGRATED IGNITION TIMING CONTROL - PLUG & PLAY WITH FACTORY LS COIL SUB HARNESS & OEM LS COILS - NO EXTERNAL BOXES/MODULES NEEDED TO RUN COIL NEAR PLUG HIGH RES FULL COLOR TOUCHSCREEN FOR INITIAL SETUP, TUNING & GAUGE DISPLAYS SIMPLE CALIBRATION WIZARD - NO LAPTOP REQUIRED SELF-TUNING ECU 4 INPUTS - 12V, GROUND, 5V & FREQUENCY 4 OUTPUTS BOSCH LSU 4.9 WIDEBAND OXYGEN SENSOR PROVIDES REAL-TIME FUEL MAP LEARN OEM STYLE TPS/IAC COMPATIBLE WITH HOLLEY EFI DIGITAL DASHES, GAUGES & FUEL SYSTEM ACCESSORIES SPECS: BRAND: HOLLEY EFI COLOR: GOLD IGNITION TYPE: GM LS 58X INJECTOR SIZE: 100 LB/HR @ 58.5 PSI MAX HORSEPOWER RATING: 650 NATURALLY ASPIRATED PRODUCT TYPE: EFI SYSTEM TERMINATOR LS OPTIONS: FUEL, SPARK, TRANSMISSION YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS EFI SYSTEM HERE.