Availability
Engine Management Systems
Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit
Part Number: HLY-550-655
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit
Part Number: HLY-550-1409
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Sensors, Chevy, LS, 4.8-6,0L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-930
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.1L, Non-VVT, Kit
Part Number: HLY-550-1421
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coil, Sensors, Tuner Controller, Ford 7.3 L Godzilla, Kit
Part Number: HLY-550-1431
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Crate Engine Control Packs, Oxygen Sensor, Ford, 2.3L, Kit
Part Number: FMS-M-6017-23T
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Engine Management System Combo, Megasquirt PNP Gen2, Wideband Gauge, Ford, Kit
Part Number: CMB-03-0269
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Sensors, Chevy, LS, 5.7L, 1x Cam, 24x Crank, Kit
Part Number: HLY-550-929
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Coyote 5.0L Control Packs, Oxygen Sensor, Ford, 5.0L, Kit
Part Number: FMS-M6017M50A
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, for GM TPI, Holley Stealth Ram, Kit
Part Number: HLY-550-601
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Drive-by-Wire, 3.5 in. Controller, Chrysler, Dodge, 5.7L, 6.4L, Non-VVT, Kit
Part Number: HLY-550-1425
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management System, 5.0L Crate Engine Control Pack, Ford, 5.0L, Kit
Part Number: FMS-M-6017-504V
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Sensors, Trans Control, USB Cable, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit
Part Number: HLY-550-928T
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit
Part Number: HLY-550-1317
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coil, Sensors, Trans and Tuner Controller, Chevy, LS, 4.8-6.2L, 4x Cam, 58x Crank, Kit
Part Number: HLY-550-920
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit
Part Number: HLY-550-653
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LS Drive-by-Wire, Trans Control, Chevy, Late LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1631LSD
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, Analog, Trans and Tuner Controls, Ford Injector Spacing, 4R70W Harness, Kit
Part Number: HLY-550-944
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, Terminator X, Up to 8-EV6 Injectors, 8-Coil, O2 Sensor, Plug-and-Play, Tuner, Controller, Dodge, Chrysler, 5.7-6.4L, Kit
Part Number: HLY-550-1225
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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-550-1219
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster