Availability
Engine Management Systems, Terminator X MAX, Up to 8-EV6 Injectors, 8-Coil, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0L, Kit
Part Number: HLY-550-1315
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, Terminator X MAX, 8-EV1 Injectors, 8-Coils, O2 Sensor, Drive-by-Wire, Plug-and-Play, Ford, 5.0L, Kit
Part Number: HLY-550-1412
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, Terminator X MAX, Up to 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 5.0, Kit
Part Number: HLY-550-1508
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 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: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1610
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1620LSD
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LS Drive-by-Wire, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1630LSD
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered 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: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit
Part Number: HLY-550-628
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit
Part Number: HLY-550-619
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0012
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Trans Control, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit
Part Number: HLY-550-658
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered 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: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Elite 550 + Premium Universal Wire-in Harness Kit 2.5m (8’)
Part Number: HTH-HT-150404
Not Yet Reviewed
Estimated Ship Date: Jan 26, 2026 if ordered today
Estimated Ship Date: Jan 26, 2026 if ordered today
Engine Management Systems, Nexus S3, ECU Only, Each
Part Number: HTH-HT-213000
Not Yet Reviewed
Estimated Ship Date: Jan 6, 2026 if ordered today
Estimated Ship Date: Jan 6, 2026 if ordered today
Engine Management Systems, Nexus S2, ECU Only, Each
Part Number: HTH-HT-212000
Not Yet Reviewed
Estimated Ship Date: Jan 5, 2026 if ordered today
Estimated Ship Date: Jan 5, 2026 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Ford, Kit
Part Number: DIY-S0042
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Ford, Kit
Part Number: DIY-S0043
Not Yet Reviewed
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit
Part Number: HLY-550-601N
Not Yet Reviewed
Estimated Ship Date: Jan 21, 2026 if ordered today
Estimated Ship Date: Jan 21, 2026 if ordered today
Computer Programmer, Pulsar XT, RAM, 3.0L, Kit
Part Number: EGE-32455
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0013
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0015
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0014
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Nissan, 240SX, Altima, K24DE, SR20DE, Kit
Part Number: DIY-S0016
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Engine Management Systems, Nexus R3 with Plug and Pin Set, Transmission Controller, Kit
Part Number: HTH-HT-193100
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
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