BRAND NEW HOLLEY HP EFI ECU & HARNESS KIT, GM LS2/3/7 (58X CRANK SENSOR) WITH JETRONIC/MINITIMER (BOSCH TYPE) CONNECTORS ON INJECTOR HARNESS, INCLUDES BOSCH OXYGEN SENSOR LOOKING FOR A PLUG AND PLAY KIT FOR YOUR GM LS ENGINE? THE HP ECU ALLOWS YOU TO ACCURATELY CONTROL THE FUEL AND IGNITION OF YOUR ENGINE PLUS MUCH MORE. GOT A STOCK LS ENGINE? SIMPLY DOWNLOAD A BASE MAP AND YOU ARE ON YOUR WAY. GOT A TURBOCHARGED, NITROUS FED LS ENGINE ON WATER/METH? THIS HP EFI KIT CAN CONTROL THAT TOO! NOTE: ECU IS CERTIFIED TO ISO 8846, SAE J1171 & UNITED STATES COAST GUARD REQUIREMENTS FOR IGNITION PROTECTION & FIRE RESISTANCE. NOTE: HOLLEY HP EFI SYSTEMS ARE EQUIPPED WITH 4 PROGRAMMABLE INPUTS AND 4 PROGRAMMABLE OUTPUTS THAT ARE IDEAL FOR MOST VEHICLES WITH A SINGLE POWER ADDER. THIS FEATURE ALLOWS THE USER TO CONFIGURE THE SYSTEM TO SUPPORT A WIDE RANGE OF CONTROLS INCLUDING BOOST CONTROL, PROGRESSIVE NITROUS, WATER/METH INJECTION, SPEED INPUTS, FUEL PUMP CONTROL, AC INPUTS, TIMING RETARD INPUTS AND VARIOUS OTHER USES. NOTE: WHEN SELECTING AN ECU, USERS NEED TO ENSURE THEIR PLANNED CONTROLS CAN BE RUN WITH THE 4 INPUTS AND 4 OUTPUTS AS CERTAIN COMBINATIONS MAY USE MORE I/OS THAN ARE AVAILABLE. IF MORE I/OS ARE REQUIRED, USERS SHOULD CHOOSE THE DOMINATOR VMS. FEATURES: SIMPLE INSTALLATION - PLUG AND PLAY CONTROL OF GM LS2/LS3/LS7 ENGINES. JUST PLUG THE HARNESS INTO YOUR FACTORY SENSORS, WIRE THE POWER AND GROUNDS AND YOU ARE READY TO TAKE COMPLETE CONTROL OF YOUR LS ENGINE MORE FUNCTIONALITY - PROVIDES SIGNIFICANTLY MORE FUNCTIONALITY THAN OEM OR OTHER COMPETITIVE ECUS (BOOST CONTROL, NITROUS CONTROL, WATER/METH INJECTION, PLUS A HOST OF ADDITIONAL INPUTS AND OUTPUTS TO CONTROL FANS, PUMPS, RELAYS ETC.) EASY TO USE - LAPTOP PROGRAMMABLE ECU INCLUDES A VARIETY OF BASE MAPS THAT WILL HAVE YOU HITTING THE CRUISE OR TRACK IN NO TIME IDEAL FOR EVERYTHING - INCLUDING STOCK 5.3L ENGINE SWAPS OR ALL OUT, 3,000+ HORSEPOWER RACE CARS THAT NEED A SIMPLE AND POWERFUL ECU AND HARNESS SOLUTION INDUSTRY LEADING SELF TUNING FUEL STRATEGY - MEANS LESS TIME TUNING AND MORE TIME ENJOYING THE POWER OF YOUR LS VEHICLE KIT INCLUDES ECU, HARNESS, COMMUNICATION CABLE, SOFTWARE, JETRONIC/MINITIMER (BOSCH STYLE) INJECTOR CONNECTORS, AND BOSCH WIDEBAND O2 SENSOR, DESIGNED TO BE USED WITH GM LS2/LS3/LS7 ENGINES WITH FACTORY GM COILS AND A 58 TOOTH CRANK SENSOR ECU IS FULLY POTTED AND CAN BE MOUNTED IN THE ENGINE COMPARTMENT OR INTERIOR SEALED AUTOMOTIVE AND MARINE GRADE CONNECTORS 1-5 BAR MAP SENSOR CAPABILITY SPECS: BRAND: HOLLEY EFI CRANK RELUCTOR: 58X IGNITION TYPE: GM LS 58X INJECTOR CONNECTOR: JETRONIC / MINITIMER (BOSCH) PRODUCT TYPE: HP EFI KIT YOU CAN VIEW AND DOWNLOAD THE EFI SELECTION CHART HERE, AND THE HP EFI FEATURES HERE.