Availability
Engine Management Systems
Engine Management System, EZ-EFI Self-Tuning, EZ-EFI 4 Injector Throttle Body, ECU, Wiring Harness, Kit
Part Number: FST-304001
Not Yet Reviewed
Estimated Ship Date: Jun 25, 2026 if ordered today
Estimated Ship Date: Jun 25, 2026 if ordered today
MODULE KIT
Part Number: NAL-19433248
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, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit
Part Number: HLY-550-659
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 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, 4.6L, 5.4L, Kit
Part Number: HLY-550-617
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 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: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NKT O2 Sensor, GM, LS, 24x Crank Sensor, Kit
Part Number: HLY-550-602N
Not Yet Reviewed
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, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit
Part Number: HLY-550-601N
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Ford, Multi-Point, Kit
Part Number: HLY-550-606
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit
Part Number: HLY-550-605
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Engine Management System, Godzilla 7X, PCM, Air Cleaner Assembly, Sensors, Accelerator Pedal, Manual Transmission, Ford, Kit
Part Number: FMS-M-6017-73M
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management System, LS427/570 Controller Kit, Pre-Programmed Controller, Harness, Pedal Assembly, Oxygen Sensors, Chevrolet, Kit
Part Number: NAL-19420000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
PRO FLO 4 EFI ECU AND ELECTRONICS KIT, FORD 351W
Part Number: EDL-35718
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
PRO FLO 4 EFI ECU AND ELECTRONICS KIT, CHEVROLET SB, BB
Part Number: EDL-35716
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Engine Management Systems, Terminator X, Hillborn EFI Intake, 8 EV1 Injectors, 8 Coils, Analog inputs, Chevy, Big-block, Push-rod Engine, Kit
Part Number: HLY-550-718
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection Engine Management System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, LS Gen III 24X, Engine Swap, Kit
Part Number: EDL-35711
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2005-07, Swap, Kit
Part Number: EDL-36150
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, Ford, Coyote, 2011-15.5, Swap, Kit
Part Number: EDL-36110
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2008-12, Swap, Kit
Part Number: EDL-36140
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Management System, LT4, 8-Speed, Kit
Part Number: NAL-19419242
Not Yet Reviewed
Estimated Ship Date: Aug 19, 2026 if ordered today
Estimated Ship Date: Aug 19, 2026 if ordered today
Engine Management System, LSA Controller, Chevy, 6.2L, Kit
Part Number: NAL-19369381
Not Yet Reviewed
Estimated Ship Date: Aug 19, 2026 if ordered today
Estimated Ship Date: Aug 19, 2026 if ordered today
Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Harness, Drive-By-Wire, Tablet, Mopar, Hemi, 2013-Up, Swap, Kit
Part Number: EDL-36120
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Holley Terminator X MAX Engine Management Systems 550-1425
Not Yet Reviewed
Estimated Ship Date: Today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit
Part Number: HLY-550-628N
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit
Part Number: HLY-550-625N
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
Engine Management System, Fuel Injection, ProFlo 4 Plus, ECU, Oxygen Sensor, Drive-By-Wire, Tablet, Ford, Coyote, 2015.5-17, Swap, Kit
Part Number: EDL-36160
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Engine Management Systems, HP EFI, ECU and Harness Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit
Part Number: HLY-550-619N
Not Yet Reviewed
Estimated Ship Date: May 13, 2026 if ordered today
Estimated Ship Date: May 13, 2026 if ordered today
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