Holley Performance Carbs & More

Fuel Injection System Wiring Harnesses, Holley EFI, Main Power Harness, Coyote Ti-VCT, Plug-and-Play, for Dominator/HP EFI Systems, Ford, 5.0L, Each

Part Number: HLY-558-319

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-70 psi, -8 AN Male Threads Inlet/Outlet, Standard Range, Each

Part Number: HLY-12-1003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-70 psi, -8 AN Female Threads Inlet/Outlet, Standard Range, Each

Part Number: HLY-12-1007

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel System Dampers, Billet Aluminum, Black Anodized, 40-100 psi, -8 AN Male Threads Inlet/Outlet, Extended Range, Each

Part Number: HLY-12-1005

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Self Tuning, Power Adder Compatible, Wiring Harness, Oxygen Sensor. GM Early,Kit

Part Number: HLY-550-1623

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Fuel Injection System Wiring Harnesses, Holley EFI, CAN Adapter Harness, Male to Female Adapter, 12 in. Long, for Racepak or CAN Device, Each

Part Number: HLY-558-451

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Fuel Injection System Wiring Harnesses, Holley EFI, Ford GT500, 3V Drive-by-Wire, Throttle Body Harness, Plug-and-Play, Ford, Mustang, 4.6L, 5.4L, Kit

Part Number: HLY-558-461

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Fuel Injection Systems, Terminator X Max, LT4, Direct Injection, ECM, Transmission Controller, 6L80E Power Adder Compatible, GM Early ,Kit

Part Number: HLY-550-1633-6

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NTK O2, Wideband, GM, LS2, LS3, LS7, Kit

Part Number: HLY-550-607N

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Fuel Injection Pumps, Dual Tank, Includes, Filter, Wire Harness, Relays, for 1- or 2-barrel, Pro-Jection System, Kit

Part Number: HLY-534-37

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Accessory Drive Systems, High-Mount, Serpentine, Water Pump, Cast Aluminum, Natural Finish, Pulleys, Brackets, Timing Cover, Ford, 7.3L Godzilla, Kit

Part Number: HLY-20-300

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Accessory Drive Systems, High-Mount, Serpentine, Water Pump, Cast Aluminum, Black Finish, Pulleys, Brackets, Timing Cover, Ford, 7.3L Godzilla, Kit

Part Number: HLY-20-300BK

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel Injection System Components, Holley EFI, Current Transducer, Dual Range, 0-20/0-200 amp Range, 0 to 5 V Signal, with Connector, Pins, Each

Part Number: HLY-554-171

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Estimated Ship Date: Mar 9, 2026 if ordered today

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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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, GM, LS2, LS3, LS7, Bosch O2, Kit

Part Number: HLY-550-607

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Estimated Ship Date: Mar 9, 2026 if ordered today

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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

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Estimated Ship Date: Mar 9, 2026 if ordered today

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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

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Estimated Ship Date: Mar 9, 2026 if ordered today

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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

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel Injection Components, Sniper EFI, Throttle Body Installation, 2300 and 4150 Flange Style, Gaskets, Hardware, Kit

Part Number: SNE-520-1

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Fuel Injection System Wiring Harnesses, Holley EFI, 7.3 L Godzilla, Drive-by-Wire, Throttle Body Harness, for Terminator X, Ford, Each

Part Number: HLY-558-469

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Injector Driver harness, Plug-and-Play, MPFI, JB2 Connector, for Dominator ECU, Each

Part Number: HLY-558-219

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Injection System Controllers, Water/Methanol Injection, Driver Module, 2-channel, with Wire Harness, for HP EFI or Dominator EFI, Each

Part Number: HLY-554-115

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Injector Harness, Unterminated Base, Bosch EV1 Style, with Connector, 16-piece, Set

Part Number: HLY-558-207

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Estimated Ship Date: Mar 6, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Hemi Drive-By-Wire, Throttle Body Harness, for Holley Dominator EFI Only, Dodge, 5.7-6.4L, Each

Part Number: HLY-558-437

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Fuel Injection System Components, Holley EFI, Coyote Ti-VCT, Sub-Harness, for Stock Camshafts, with Holley HP, Dominator EFI, Ford, 5.0L, Coyote, Each

Part Number: HLY-558-125

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Estimated Ship Date: Mar 9, 2026 if ordered today

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