Holley 550-1315 Terminator X Max, 15.5-17 Coyote Ti-VCT EV6 4R70W
$3,425.95
- Plug and play engine control (for Ford 5.0L Coyote with Ti-VCT (Twin Independent Variable Camshaft timing)
- Plug and Play compatible with Holley EFI accessories – Analog gauges, shift lights, modules, and both 6.86″ and 12.3″ Pro Dash
- EV1 or EV6 injector harness included (depending on your injector configuration)
- High Impedance Injector drivers power Holley EFI and most stock injectors -Injector support chart found in instructions (will not support low impedance injectors)
- Included Bosch LSU 4.9 wideband O2 sensors for accurate readings and precise tuning control
Did you like this product? Add to favorites now and follow the product.

+1 (616) 387-2903 sales@windycitymotorsllc.com
Description
Holley 550-1315 Details
Terminator X and X Max Coyote systems supports Ford Coyote platform with Ti-VCT.Terminator X features real-time fuel learn, high impedance injector drivers, integrated 1bar MAP sensor, and 4 programmable inputs and outputs. These are ideal for electric fans, boost control solenoids, progressive nitrous control, and much more.Terminator X ECU comes fully loaded with base maps for common Coyote engine combinations to get you out of the garage and on the road/track fast. The included 3.5″ LCD touch screen handheld contains an easy to use calibration wizard as well as tuning and gauge display functions.Included with Terminator X is Holley EFI’s industry leading support, easy to use software suite that allows full laptop access/compatibility for advance users. Whether you’re building a budget beater or full on race car, Terminator X has the industry leading features and technology you need at a price that won’t break the bank.
Features:
- Built in 1bar MAP (manifold absolute pressure) sensor included – For Boosted applications – internal MAP sensor can be disabled and utilize external MAP sensor harness (kit includes a terminated connector for seamless installation)
- Vacuum hose adapters included – (1/8″, 1/4″, and 3/16″ sizes)
- 4 inputs – 12v, Ground, 5v, and frequency for items like pressure sensors, activation triggers, nitrous activation, or trans brake
- Boost Control – boost vs. time, boost vs. gear, boost vs. RPM, boost vs. speed, and boost safeties
- Nitrous Control – channels for wet or dry, progressive or non-progressive, rich/lean safeties, and target closed loop AFR (Air/Fuel Ratio)
- Advanced Tables – ( 4x 1D tables, 1x 1D gear table, 4x 2D table, and 1x 2D gear tables) for nearly unlimited table configuration options
- On-board diagnostic LEDS – ECU power, engine run, TPS calibration, cam signal, and more! Identify critical engine parameters at a glance
- 3.5″ touchscreen handheld included – Internal data-logging, custom gauge display, and calibration wizard allow quick building bases tunes for any Domestic V8 engine
- Compact ECU (Engine Control Unit) – At only 7.45″ x 4.1″ x 1.66″ the compact packaging allows mounting virtually anywhere (XMAX ECU = 9.6″ x 4.1″ x 1.66″). REMINDER: diagnostic LED’s must face up!
- FREE EFI Tuning software – For compete control of your Terminator X power plant
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
Holley 550-1315 Specifications
KEY SPECS | |
---|---|
MFG. Part # | 550-1315 |
Brand | Holley |
Ignition Type | Ford Coyote |
Tuner Style | Touchscreen Handheld |
Throttle Style | Cable Driven |
GENERAL | |
Injector Connector | USCAR (EV6) |
MAP Sensor Included | Yes |
Transmission Control | Yes |
Oxygen Sensor Style | Bosch |
GTIN Code | 090127083406 |
Sold in Quantity | Kit |
Notes | Trans control works with 98+ 4R70W transmissions |

Reviews
There are no reviews yet.