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Fuel Injection System Wiring Harnesses

Individual Parts

Results 101 - 125 of 296

Wiring Harness, EFI, Mass Airflow, Ford, 5.0, 5.8L, Universal, Kit

Part Number: RFW-COBRA75

4.6 out of 5 stars ( 15 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, LS2, Kit

Part Number: PRF-60520

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

USCAR EV6 Injector Harness Extension 9" 8pcs

Part Number: ICB-WEINJ40X8-9

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Wiring Harness, Fuel Injector, FAST XFI, Chevy, 18436572 Firing Order, Each

Part Number: FST-301200

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Harness Adapter, IAC to FAST EFI, Chevy, Pontiac, Each

Part Number: FST-308023

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Main Wiring Harness, EZ-EFI 2.0 Replacement, Throttle Body Injection Style, Universal, FAST, Each

Part Number: FST-30308

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Wiring Harness, Fuel Injection System, Standalone, Drive-By-Wire, LS1, Kit

Part Number: TSN-WH1210

Not Yet Reviewed

Estimated Ship Date: Today

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Fuel Injection System Wiring Harnesses, Holley EFI, Coyote Ti-VCT, with Main, Power, Injector, Coil Harnesses, for HP, Dominator ECU, Ford, 5.0L, Kit

Part Number: HLY-558-510

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Wiring Harness, Ford 5.0 Coyote Telorvek, Modular, Kit

Part Number: RFW-CY15

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Fuel pressure regulator harness, Bosch CP3 regulator, Duramax, Each

Part Number: FLE-S0398

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 24X Crank Sensor, Includes Power, LS1 Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Part Number: HLY-558-500

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Fuel Injections System Wiring Harnesses, Gen III Hemi, Drive-By-Wire Harness, Late Pedal, OE Connectors, Plug-and-Play, Chrysler, Dodge, Jeep, Kit

Part Number: HLY-558-418

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Fuel Injection System Wiring Harness, Diesel Fuel Injector Harness, Ford, 6.0L Diesel, Each

Part Number: SMP-IFH4

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Fuel Injection System Wiring Harnesses, Holley EFI, Coyote Ti-VCT, Main Harness, Plug-and-Play, Drive-by-Wire, with Holley Smart Coils, Ford, 5.0L Kit

Part Number: HLY-558-122

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

MAIN HARNESS

Part Number: FST-43227

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Fuel pump harness, Dual CP3, Cummins, Each

Part Number: FLE-FPE-CP3X2

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wiring Harness, Pro Series, Vortec, 4L80E, 5-pin MAF Sensor, LS1 O2 Sensors, EV6 Injectors, Truck Intake, Each

Part Number: WRS-WPVRTUVT4L80

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Wiring Harness, Pro Series, Vortec, 4L60E, 5-pin MAF Sensor, LS1 O2 Sensors, EV6 Injectors, F-Body Intake, Each

Part Number: WRS-WPLS1UVF4L60

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Wiring Harness, Pro Series, LS1, 4L60E Auto Transmission, 3-pin MAFS, LS1 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UF4L60

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Wiring Harness, Nexus Rebel, ECU, Plug-and-Play, Standard Length, Chevy, LS, Each

Part Number: HTH-HT-186500

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Wiring Harness, Pro Series, GTO LS1, 4L60E Auto Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UG4L60

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

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Estimated Ship Date: Today

Fuel Injection System Wiring Harness, RB26DETT Engine, Multi-Port Injection, Each

Part Number: WRS-WSRB26R32PKG

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today