{"product_id":"holley-terminator-x-max-ls1-ls2-ls6-550-934t","title":"Holley Terminator X Max, GM LS1\/LS2\/LS6, DBW, EV6, 4L60E\/4L80E | 550-934T","description":"\u003cp\u003eTerminator X Max extends Holley EFI's standalone engine control to GM LS1\/LS6 engines with drive-by-wire throttle body control and 4L60E\/4L80E transmission control built in. It replaces a junkyard ECU with real-time fuel learn and race-proven tuning technology, and uses a USB\/CAN tuning cable with the free Terminator X software for setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for GM LS1\/LS6 engines with 24x crank reluctor, EV6 injectors, drive-by-wire throttle body, and 4L60E\/4L80E transmission control\u003c\/li\u003e\n\u003cli\u003eReal-time fuel map learn removes the guesswork from tuning the base fuel table\u003c\/li\u003e\n\u003cli\u003eHigh-impedance injector drivers safely power most stock LS and Holley EFI injectors\u003c\/li\u003e\n\u003cli\u003eBosch LSU 4.9 wideband oxygen sensor included for accurate AFR feedback\u003c\/li\u003e\n\u003cli\u003eOn-board 1-bar MAP sensor with vacuum hose adapters (1\/8, 1\/4, and 3\/16 in.)\u003c\/li\u003e\n\u003cli\u003e4 programmable inputs and 4 programmable outputs for fans, boost\/nitrous control, IAC, and more\u003c\/li\u003e\n\u003cli\u003eBoost control strategies: vs. time, vs. gear, vs. RPM, vs. speed, plus boost safeties\u003c\/li\u003e\n\u003cli\u003eSingle-channel wet or dry progressive nitrous control with rich\/lean safeties\u003c\/li\u003e\n\u003cli\u003eAdvanced tables: 4x 1D, 1x 1D per gear, 4x 2D, 1x 2D per gear for custom tuning needs\u003c\/li\u003e\n\u003cli\u003eOn-board diagnostic LEDs for ECU power, engine run, wideband status, TPS\/crank\/cam signal\u003c\/li\u003e\n\u003cli\u003eIncludes USB\/CAN tuning cable; software includes multiple base calibrations for naturally aspirated or boosted engines\u003c\/li\u003e\n\u003cli\u003eCompact ECU mounts virtually anywhere (LEDs must face up)\u003c\/li\u003e\n\u003cli\u003ePlug-and-play compatible with Holley EFI gauges, shift lights, and dash accessories (P\/N 553-106, 553-111, 553-112)\u003c\/li\u003e\n\u003cli\u003eFree EFI tuning software for full laptop control\u003c\/li\u003e\n\u003cli\u003eRecommended drive-by-wire pedal: P\/N 10379038\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: GM LS1\/LS2\/LS6\u003c\/li\u003e\n\u003cli\u003eCrank Reluctor: 24x\u003c\/li\u003e\n\u003cli\u003eInjector Connector: USCAR (EV6)\u003c\/li\u003e\n\u003cli\u003eDrive-By-Wire: Yes | Transmission Control: 4L60E\/4L80E\u003c\/li\u003e\n\u003cli\u003eMAP Sensor: 1-bar, integrated\u003c\/li\u003e\n\u003cli\u003eHandheld Included: No, USB\/CAN tuning cable included instead\u003c\/li\u003e\n\u003cli\u003eIncludes: 24x LS Engine Main Harness, EV6 Injector Harness, DBW Throttle Body Harness, 4L60E\/4L80E Transmission Control Harness, Terminator X Max ECU, ECU Main Power Harness, Bosch LSU 4.9 Wideband O2 Sensor, I\/O Harness\u003c\/li\u003e\n\u003cli\u003ePart Number: 550-934T\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNot recommended for 4x4 applications with electronic transfer cases. Not compatible with 4L6X transmissions from model year 1995 or earlier due to year-by-year changes in converter lockup and downshift strategy. Not recommended for marine applications, but can be used off-road in a dry, protected, heat-shielded location with proper wiring management.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eWhat does the 550-934T control besides fuel and spark?\u003c\/h5\u003e\u003cp\u003eIt adds drive-by-wire throttle body control and 4L60E\/4L80E automatic transmission control on top of standard Terminator X Max engine control.\u003c\/p\u003e\u003ch5\u003eDoes this kit include a handheld for tuning?\u003c\/h5\u003e\u003cp\u003eNo, this kit includes a USB\/CAN tuning cable instead of the 3.5 in. handheld, and requires the free Terminator X software for setup.\u003c\/p\u003e\u003ch5\u003eWill this work with a 4x4 vehicle?\u003c\/h5\u003e\u003cp\u003eIt's not recommended for 4x4 applications with electronic transfer cases.\u003c\/p\u003e\u003ch5\u003eWhat transmissions are NOT supported?\u003c\/h5\u003e\u003cp\u003e4L6X transmissions from model year 1995 or earlier are not compatible due to converter lockup and downshift strategy changes.\u003c\/p\u003e\u003ch5\u003eWhat throttle pedal is recommended?\u003c\/h5\u003e\u003cp\u003eHolley recommends pedal part number 10379038 for drive-by-wire installations.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What does the 550-934T control besides fuel and spark?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It adds drive-by-wire throttle body control and 4L60E\/4L80E automatic transmission control on top of standard Terminator X Max engine control.\"}},{\"@type\":\"Question\",\"name\":\"Does this kit include a handheld for tuning?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this kit includes a USB\/CAN tuning cable instead of the 3.5 in. handheld, and requires the free Terminator X software for setup.\"}},{\"@type\":\"Question\",\"name\":\"Will this work with a 4x4 vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It's not recommended for 4x4 applications with electronic transfer cases.\"}},{\"@type\":\"Question\",\"name\":\"What transmissions are NOT supported?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4L6X transmissions from model year 1995 or earlier are not compatible due to converter lockup and downshift strategy changes.\"}},{\"@type\":\"Question\",\"name\":\"What throttle pedal is recommended?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Holley recommends pedal part number 10379038 for drive-by-wire installations.\"}}]}\u003c\/script\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":42418569183280,"sku":"GVMR_550-934T","price":1989.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/term-x-max-w-tuner-cable19277.jpg?v=1758384301","url":"https:\/\/berryperformancesales.com\/products\/holley-terminator-x-max-ls1-ls2-ls6-550-934t","provider":"Berry Performance Sales","version":"1.0","type":"link"}