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

Engine 427 c.i. GM LS Style Proseries Iron Block, GM Intake, BPE Pulley Kit

Part Number: MLL-PSLS4273CTFK

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Engine 427 c.i. GM LS Style Proseries Iron Block, GM Intake, BPE Pulley Kit

Part Number: MLL-S0012

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Estimated Ship Date: Sep 24, 2025 if ordered today

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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

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Estimated Ship Date: Aug 21, 2025 if ordered today

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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

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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

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Unterminated, Ignition Harness, with Pins, Seals, Connector, for HP, Dominator EFI Systems, Kit

Part Number: HLY-558-306

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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

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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

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, 6 Cylinder, MPFI, SFI, TBI, Injector Harness, for HP, Dominator EFI Systems, Universal, Each

Part Number: HLY-558-203

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Estimated Ship Date: Aug 21, 2025 if ordered today

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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

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Wiring Harnesses, Holley EFI, Replacement Harness, Multi-Port, Speed Density Metered, for Avenger, HP, Dominator, EFI Systems, with Stealth Ram, Each

Part Number: HLY-558-101

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, 2V Modular EFI, with Main, Power, Injector Harnesses, for HP, Dominator ECU, Ford, 4.6-5.4L, Kit

Part Number: HLY-558-505

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Estimated Ship Date: Aug 21, 2025 if ordered today

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Fuel Injection Systems Wiring Harnesses, Holley EFI, Universal Harness, Four Cylinder, EV14 Injectors, 205 lbs.-hr. with HP/Dominator EFI, Each

Part Number: HLY-558-440

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Estimated Ship Date: Aug 20, 2025 if ordered today

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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

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Throttle Bodies, Terminator X, Stealth 4500 EFI, Primary Unit, Cable Actuation, Four Injectors, 100 lb/hr, Aluminum, Black Finish, with Sensors, Each

Part Number: HLY-534-306

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Throttle Bodies, Terminator X, Stealth 4500 EFI, Service Unit, Cable Actuation, Four Injectors, 100 lb/hr, Aluminum, Shiny Finish, with Sensors, Each

Part Number: HLY-534-303

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Throttle Bodies, Terminator X, Stealth 4500 EFI, Primary Unit, Cable Actuation, Four Injectors, 100 lb/hr, Aluminum, Shiny Finish, with Sensors, Each

Part Number: HLY-534-305

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Fuel Injection System, Easy Street 600 HP Self-Tuning, CDI Box, Throttle Body, Gold, Injectors, ECM, Kit

Part Number: FIF-93005

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Estimated Ship Date: Sep 11, 2025 if ordered today

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Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, 1965 and Later BB Chevy Large Oval Port, Kit

Part Number: EDL-35830

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Fuel Injection System Components, Sniper 2 EFI, Throttle Body System, CAN Hub, Direct Connect, Plastic Case, Black, Plug-and-Play, 5-Port, Each

Part Number: SNE-558-494

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Fuel Pumps, Electric, In-Tank, EFI, OEM-Style, 58 psi, 255 lph, Gasoline, Ford, Mercury, Each

Part Number: SNE-12-305

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Aug 11, 2025 if ordered today

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Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, 351W Small Block Ford, Kit

Part Number: EDL-35950

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Fuel Injection System Components, Bluetooth Module, for Holley, Sniper 2 EFI, Each

Part Number: SNE-558-498

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Fuel Injection System, Pro-Flo 4, Self-Learning, Sequential Multi-Port, Satin, 550 HP Max, SB Chrysler 318, 340, 360, Kit

Part Number: EDL-35900

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

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• $200.00 Summit Bucks

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

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