Availability
26 Results Found For "Holley HP EFI Engine Control Units 550-604"
Showing In Stock Items. Show All 29 Items.
Data Acquisition, Holley EFI, 8-Channel, CAN EGT, Controller Only, 4 ft. Wire Harness, for Holley HP, Dominator, EFI Systems, Each
Part Number: HLY-554-190
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
BUILD IT WITH SUMMIT!
Fuel Injection System, MAX-efi 500 Self-Tuning, 500 HP, Throttle Body, ECM, Satin Black, Kit
Part Number: SUM-240505
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Injection System Components, Holley EFI, Digital Dash Gauges, 7 in. Touch Screen, Rectangular, Aluminum Housing, Black, Kit
Part Number: HLY-553-106
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-Port Fuel Injection, for Holley Smart Coils, HP EFI System, Ford, 4.6-5.4L, Each
Part Number: HLY-558-113
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Late Model, Each
Part Number: HLY-558-116
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Early Model, Each
Part Number: HLY-558-115
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, Ford 2V/4V Modular, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, Ford, 4.6-5.4L, Each
Part Number: HLY-558-108
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Fuel Injection System Wiring Harnesses, Holley EFI, Universal, V8 MPFI Harness, with Main, Power, Bosch Injector Harnesses, for HP, Dominator ECU, Kit
Part Number: HLY-558-504
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 58X Crank Sensor, Power, Bosch Injector, Main Harnesses, for HP, Dominator ECUs, Kit
Part Number: HLY-558-502
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Fuel Injection System Wiring Harnesses, Holley EFI, Ford V8, Universal MPFI, with Main, Power, Injector Harnesses, for HP, Dominator ECU, Kit
Part Number: HLY-558-508
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Wiring Harnesses, Holley EFI, Coyote, with TI-VCT/Stock Coils, Main Harness, MPFI, for HP, Dominator, EFI Systems, Ford, 5.0L, Each
Part Number: HLY-558-110
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Injection System, Easy Street 600 HP Self-Tuning, Throttle Body, Gold, Injectors, ECM, Kit
Part Number: FIF-30005
Estimated Ship Date: Today
Estimated Ship Date: Today
Throttle Bodies, Universal, 4150 Flange, 4-Barrel, Multi-Port Injection, Cable Actuated, 1,000 cfm, Aluminum, Gray Anodized, Each
Part Number: HLY-112-587
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Injection System, Go EFI 2 Barrel, 400 HP, Self-Tuning, Throttle Body, Injectors, ECM, Kit
Part Number: FIF-39001
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Pumps, In-Tank, Retrofit Module, Electric, Return Style, Dual 450 lph, 60 psi, 12V, -8 AN Female, Both Ends, for 7-12 in. Deep Tank, Each
Part Number: HLY-12-173
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Pumps, Electric, In-Tank, Retrofit Module, 60 psi, 255 lph, Gasoline, Returnless Style, Each
Part Number: HLY-12-131
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Pumps, Electric, In-Tank, Retrofit Module, 60 psi, 255 lph, Gasoline, Return Style, Each
Part Number: HLY-12-130
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Pumps, Retrofit, Die-Cast, In-Tank, Electric, 67 gph, 255 lph, 60 psi, 12V, Aluminum Housing, 1/4 in.-NPT Female, 6.5-12 in. Tank Depth, Each
Part Number: HLY-12-158
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Fuel Pumps, Electric, In-Tank, Retrofit Module, 60 psi, 450 lph, Gasoline, Return Style, Each
Part Number: HLY-12-132
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Pumps, Electric, In-Tank, Retrofit Module, 60 psi, 450 lph, Gasoline, Returnless Style, Each
Part Number: HLY-12-133
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Fuel Pumps, Retrofit, Die-Cast, In-Tank, Electric, 119 gph, 450 lph, 60 psi, 12V, Aluminum Housing, 1/4 in.-NPT, Female, 7-12 in. Tank Depth, Each
Part Number: HLY-12-159
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
This product may not be eligible for select promotional offers
Carburetor, HO-Series, 650 cfm, 4-barrel, Square Bore, Dual Inlet, Silver, Main Body Is A Holley HP Design with Black Anodized Metering Blocks
Part Number: AED-650HO-BT-BK
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Carburetor, HO-Series, 650 cfm, 4-barrel, Square Bore, Dual Inlet, Silver, Main Body Is A Holley HP Design with Red Anodized Metering Blocks, Each
Part Number: AED-650HO-BT-RD
Not Yet Reviewed
Estimated Ship Date: Feb 10, 2026 if ordered today
Estimated Ship Date: Feb 10, 2026 if ordered today
Fuel Pump, A1000 Brushless In-Line, Electric, Signature, True Variable Speed, 65 psi, 12 V, ORB-10 In/Outlet, Rotary Vane, w/Bracket, Universal,Each
Part Number: AEI-11193
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster