Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Haul in the Savings - Shop the Truck Savings Event Today!

50 Results Found For "Holley HP EFI Engine Control Units 550-604"

Individual Parts

Results 26 - 50 of 50

Engine Management Systems, Holley EFI, Terminator X, Controls 8-Injectors, 8-Coils, Analog Input/Outputs, Wideband, CANBUS, Chevy, Ford, Dodge, Each

Part Number: HLY-554-152

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Data Acquisition, Holley EFI, Single-channel Module, CAN EGT Controller, Dual CAN Connector Harness, for HP, Dominator, Terminator X EFI, Kit

Part Number: HLY-554-188C

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Data Acquisition, Holley EFI, Single-channel, CAN EGT, Stainless Bung, Probe, 60 in. Harness, Pre-terminated Connector, Non-Holley Installations, Kit

Part Number: HLY-554-188A

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Data Acquisition, Holley EFI, Single-channel, CAN EGT, 1/4 in. Stainless Bung, 1/4 in. Probe, for Holley EFI Systems, HP, Dominator, Terminator X, Kit

Part Number: HLY-554-184C

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Data Acquisition, Holley EFI, Single-channel, CAN EGT, 1/4 in. Stainless Bung, 1/4 in. Probe, Unterminated Output, Non-Holley Installations, Kit

Part Number: HLY-554-184A

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford Coyote, Plug-and-Play, for HP EFI, Dominator EFI, Ford, F150, Mustang, 5.0L, Each

Part Number: HLY-558-317

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Coyote Ti-VCT, Coil Harness, OE Connectors, Plug-and-Play, for HP EFI, Dominator EFI, Ford, 5.0L, Each

Part Number: HLY-558-322

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Fuel Injection System Components, Pressure Transducer, Replacement, 0-3,000 psi, 0.5-4.5 V, 1/8 in.-27 NPT, for Avenger, HP, Dominator EFI, Each

Part Number: HLY-554-137

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 2V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Lincoln, Mercury, Each

Part Number: HLY-558-314

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Coil Harness, Ford 4V Modular, Plug-and-Play, for HP, Dominator EFI Systems, Ford, Mustang, 4.6L, Each

Part Number: HLY-558-315

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Late Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-311

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Gen III Hemi, Coil Harness, Early Style, OE Connectors, for HP, Dominator EFI Systems, Dodge, 5.7L, Each

Part Number: HLY-558-310

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Wiring Harness Adapters, Sniper EFI 1 Harness to Sniper EFI 2 System, Pre-Terminated, Each

Part Number: SNE-558-489

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Ignition Module, Shiny Billet Housing, Chevy, Gen I, 262-400ci, Mark IV-V, 396-454ci, Each

Part Number: SNE-565-340

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Steel Gear, Ignition Module, Ford, Mercury, Windsor, 260-302ci, Each

Part Number: SNE-565-341S

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Computer Mounting Brackets, Holley EFI, HP, Terminator, Terminator X, ECU Mount Bracket, Steel, Black, Passenger Seat, Ford, Mustang, Fox Body, Each

Part Number: HLY-554-157

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Iron Gear, Ignition Module, Ford, Lincoln, Mercury, 351ci, Windsor, Each

Part Number: SNE-565-342

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Iron Gear, Ford, Lincoln, Mercury, 351ci, Cleveland, 429-460ci, Each

Part Number: SNE-565-343

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, 383-440ci, Each

Part Number: SNE-565-346

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 10, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 10, 2025 if ordered today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Small Block, 273-360ci, Each

Part Number: SNE-565-344

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Cast Gear, Ignition Module, Ford, Mercury, Windsor, 260-302ci, Each

Part Number: SNE-565-341

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Distributors, Sniper EFI, HyperSpark, HEI Cap, Hall Effect, Aluminum Housing, Ignition Module, Chrysler, Dodge, Plymouth, Big Block, 350-400ci, Each

Part Number: SNE-565-345

Not Yet Reviewed

Estimated Ship Date: Oct 10, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 10, 2025 if ordered today

Sensors, Sniper EFI, Map Sensor, 2.5 Bar, GM Stock Attachments, 25 psi Boost Maximum, for Sniper EFI Intakes, Fabricated, Each

Part Number: SNE-870021

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Ignition Coil Wiring Harnesses, Holley EFI, Ford MPFI, Main Harness, Coil-On-Plug, Plug-and-Play, Dual CANbus, Factory Connectors, Ford, 5.0L, Each

Part Number: HLY-558-118

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Computer Mounting Brackets, Holley EFI, Dominator ECU, Mounting Bracket, Steel, Black Finish, for Under Passenger Seat, Ford, Mustang, Fox Body, Each

Part Number: HLY-554-156

Not Yet Reviewed

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.