Availability
Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1216
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 1x Cam Sensor, Chevy, 5.7L, 6.0L, 24x Crank, Kit
Part Number: HLY-550-657
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Trans Controller, Sensors, USB Cable, Chevy, LS, 4.8-6.0L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-927T
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, USB Cable, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-932T
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Analog Input, Tuner Controls, Chevy, LS, 5,7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-932
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-916T
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1316
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, 3.5 in. Controller, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1217
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Trans Control, Analog, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-934T
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, 1x Cam Sensor, Chevy, 5.7L, 6.0L, 24x Crank, Kit
Part Number: HLY-550-656
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Chevy, LS, 5.7L, Kit
Part Number: HLY-550-602
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management System, MS3Pro PNP, Factory Dash Control, Ford, Kit
Part Number: DIY-S0036
Not Yet Reviewed
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Analog Inputs, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit
Part Number: HLY-550-614
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit
Part Number: HLY-550-616
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Trans Control, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-926T
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, 24 or 58x Harness Required, Chevy, LS, Swap, Kit
Part Number: EDL-36130
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
EZ-EFI 2.0 Self Tuning Engine Control System, GM, LS, Engine Swap, Kit
Part Number: FST-30405-KIT
Estimated Ship Date: Monday 11/10/2025
Estimated Ship Date: Monday 11/10/2025
Engine Management System, XFI Sportsman, ECU, Ignition Controller, 02 Sensor, Wiring Harness, Software, USB Cable, Chevrolet, LS, Kit
Part Number: FST-303004
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 2026 if ordered today
Engine Management Systems, Terminator X, Up to 8-EV1 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1220
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coils, Analog, O2 Sensor, Plug-and-Play, USB Tuning Cable, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1221
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Drive-by-Wire, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit
Part Number: HLY-550-615
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, USB Tune Cable, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-929T
Not Yet Reviewed
Estimated Ship Date: Dec 1, 2025 if ordered today
Estimated Ship Date: Dec 1, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, USB Tune Cable, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-930T
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
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