FREE SHIPPING ON ALL ORDERS - DETAILS MOTOR LIFE EVENTS COMMUNITY SUPPORT CATEGORIES BRANDS SHOP BY VEHICLE ASK OUR EXPERTS 1-866-464-6553 Home / LS Power / LS EFI Systems LS EFI SYSTEMS TERMINATOR X LS EFI KITS TERMINATOR X MAX LS EFI KITS TERMINATOR LS MPFI KITS TERMINATOR LS TBI KITS HP LS EFI KITS Plug and play LS engine control On-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal – Cam Signal. Allow you to identify any Critical engine issues at a glance 4 Inputs – 12v, Ground, 5v, and Frequency, for things such as additional pressure sensors, or activation triggers for nitrous activation, or a trans brake (Fuel and Oil Pressure Inputs are pre-terminated) Boost Control – Boost vs Time, Boost vs Gear, Boost vs RPM, Boost vs Speed, Boost Safeties Free EFI Tuning Software for complete control of your Terminator X power plant Terminator X LS EFI Kits AVAILABILITY TERMINATOR LS OPTIONS INJECTOR CONNECTOR IGNITION TYPE Items 1 - 16 of 63 Items Sort HOLLEY EFI TERMINATOR X 24X/1X EV1 LS MPFI KIT GM LS 24x Crank, 1x Cam - LS1/LS6 Engines - EV1 Injector Harness, 3.5" Touchscreen Included $1,124.95 PART# 550-903 3 Reviews HOLLEY EFI TERMINATOR X 24X/1X EV6 LS MPFI KIT GM LS 24x Crank, 1x Cam - LS1/LS6 Engines - EV6 Injector Harness, 3.5" Touchscreen Included $1,124.95 PART# 550-909 1 Review HOLLEY EFI TERMINATOR X 58X/4X EV6 LS MPFI KIT GM LS Engines with 58x Crank, 4x Cam - 4.8/5.3/6.0 Truck Engines and LS2/LS3 - EV6 Injector Harness , 3.5" Touchscreen... $1,124.95 PART# 550-905 HOLLEY EFI TERMINATOR X MAX 24X/1X EV1 LS MPFI KIT WITH TRANSMISSION CONTROL GM LS 24x Crank, 1x Cam - LS1/LS6... $1,462.95 PART# 550-916 1 Review HOLLEY EFI TERMINATOR X MAX 24X/1X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL GM LS 24x Crank, 1x Cam - LS1/LS6... $1,462.95 PART# 550-919 HOLLEY EFI TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH TRANSMISSION CONTROL GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0... $1,462.95 PART# 550-917 3 Reviews HOLLEY EFI TERMINATOR X 24X/1X MULTEC 2 LS MPFI KIT GM LS 24x Crank, 1x Cam - 4.8/5.3/6.0 Truck Engines - Multec 2 Injector Harness , 3.5" Touchscreen Included $1,124.95 PART# 550-904 HOLLEY EFI TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY CONTROL GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0... $1,462.95 PART# 550-931 HOLLEY EFI TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL... $1,687.95 PART# 550-928 HOLLEY EFI TERMINATOR X MAX 58X/4X EV6 LS MPFI KIT WITH TRANSMISSION CONTROL GM LS 58x Crank, 4x Cam - 4.8/5.3/6.0... $1,462.95 PART# 550-918 HOLLEY EFI TERMINATOR X 58X/4X EV1 LS MPFI KIT GM LS Engines with 58x Crank, 4x Cam - 4.8/5.3/6.0 Truck Engines and LS2/LS3 - EV1 Injector Harness , 3.5" Touchscreen... $1,124.95 PART# 550-910 1 Review HOLLEY EFI TERMINATOR X MAX 24X/1X EV6 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL... $1,687.95 PART# 550-934 HOLLEY EFI TERMINATOR X 24X/1X EV1 LS MPFI KIT - WITHOUT 3.5" HANDHELD GM LS 24x Crank, 1x Cam - LS1/LS6... $1,012.95 PART# 550-903T HOLLEY EFI TERMINATOR X MAX 24X /1X MULTEC 2 LS MPFI KIT WITH DBW THROTTLE BODY AND TRANSMISSION CONTROL... $1,687.95 PART# 550-927 HOLLEY EFI TERMINATOR X 58X/4X EV6 LS MPFI KIT - WITHOUT 3.5" HANDHELD GM LS Engines with 58x Crank, 4x Cam -... $1,012.95 PART# 550-905T HOLLEY EFI TERMINATOR X 24X/1X EV6 LS MPFI KIT - WITHOUT 3.5" HANDHELD GM LS 24x Crank, 1x Cam - LS1/LS6... $1,012.95 PART# 550-909T 1234 Compare The Facts HARDWARE HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI Connectors 2 2 6 4 - Injector Drivers 8 8 12 8 8 Low Impedance Injector Drivers YES NO YES NO NO Communication via USB Port YES NO YES NO NO Communication via CAN adapter NO YES NO YES YES Diagnostic LEDs NO YES NO YES NO Knock Sensors 2 2 2 2 - Enclosure ALUMINUM COMPOSITE ALUMINUM COMPOSITE - Potted YES NO YES NO YES DATA LOGGING HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI INTERNAL & EXTERNAL EXTERNAL ONLY INTERNAL & EXTERNAL EXTERNAL ONLY EXTERNAL ONLY MAP SENSOR HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI EXTERNAL ONLY INTERNAL 1 BAR, OR EXTERNAL EXTERNAL ONLY INTERNAL 1 BAR, OR EXTERNAL INTERNAL 2.5 BAR WIDEBAND SENSORS HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI 1 1 2 1 1 Bosch 4.2 YES NO YES NO NO NTK YES NO YES NO NO Bosch 4.9 NO YES NO YES YES TOTAL INPUTS (+12V, GND, 5V, FREQ) HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI 4 4 50 4 VARIES +12v YES YES YES YES NO Ground YES YES YES YES 2 +5v Sensor YES YES YES YES 3* - SS ONLY Frequency YES YES YES YES NO Thermistor YES NO YES NO NO +20v YES NO YES NO NO Digital Speed NO NO YES NO NO Customizable Software Inputs 80 20 80 20 NO A/C Shutdown YES YES YES YES NO TOTAL OUTPUTS (GND, PWM-) HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI 4 4 36 4 VARIES +12v YES NO YES NO NO PWM+ YES NO YES NO NO Ground YES YES YES YES YES PWM- YES YES YES YES YES Customizable Software Outputs 62 20 62 20 NO Dual Fans YES YES YES YES YES Secondary Fuel Pump YES YES YES YES YES IAC Kick YES YES YES YES YES Non-Electronic Trans TCC Control YES YES YES YES NO LOAD SENSING HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI VE YES YES YES YES YES Speed Density YES YES YES YES YES Alpha-N YES YES YES YES NO Combo YES YES YES YES NO BOOST CONTROL HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI MAP and Dome Control YES NO YES NO NO Dome Control YES YES YES YES YES Boost vs Time YES YES YES YES YES Boost vs RPM YES YES YES YES YES Boost vs Speed YES YES YES YES NO Boost vs Gear YES YES YES YES NO Boost Builder YES NO YES NO NO Boost Safeties YES YES YES YES YES NITROUS STAGES HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI Wet Non-Progressive 8 1 8 1 1 Wet Progressive 8 1 8 1 1 Dry Non Progressive 8 1 8 1 1 Dry Progressive 8 1 8 1 1 GPOs 8 1 8 1 NO Rich/Lean Safeties YES YES YES YES YES Closed Loop to New Target YES YES YES YES YES Advanced Input Strategies YES NO YES NO NO ADVANCED TABLES HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI 1D 8 4 8 4 4 1D Per Gear 8 1 8 1 NO 2D 8 4 8 4 2 2D Per Gear 8 1 8 1 NO TRACTION CONTROL HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI YES NO YES NO NO WATER/METH HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI YES NO YES NO NO STAGING ASSIST HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI YES YES YES YES NO DRIVE BY WIRE HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI Single Throttle Body NO NO YES YES NO Dual Throttle Body NO NO YES NO NO TRANSMISSION CONTROL HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI GM 4L60/4L70/4L80 NO NO YES YES NO Ford AODE/4R70W NO NO YES YES NO ACCESSORIES HP TERMINATOR X DOMINATOR TERMINATOR X MAX SNIPER TBI 7" Digital Dash YES YES YES YES YES Pro-Dash YES YES YES YES YES CAN Modules (VVT, etc) YES YES YES YES NO Analog Gauges YES YES YES YES YES Features LS specific EFI systems make installation and start up easy Fastest self-learning systems currently on the market Run a stock engine or full race engine LS EFI Systems An EFI System so easy and powerful you’ll think it’s alive! Simply bolt it on, feed it a few basic answers and let Holley LS EFI take control of your ride! JOIN THE HOLLEY FAMILY STAY UP TO DATE WITH THE LATEST RELEASES, EVENTS, PROMOTIONS AND MORE. SIGN UP COMPANY INFO About Us Investors Careers Patents Terms of Use Privacy Policy TECHNICAL SUPPORT Technical Resources Product Registration Warranty Information HELP Track Your Order Report a Damaged Item Returns Policy See All Help Topics ASK OUR EXPERTS 1-866-464-6553 Monday - Friday 8AM - 10PM CST Saturday 8AM - 2PM CST © 2021 HOLLEY PERFORMANCE PRODUCTS, INC. ALL RIGHTS RESERVED.