Fuel Injection System Wiring Harnesses

Wiring Harness, Cummins Diesel, 5.9L, Facilitates Engine Transplants, Each

Part Number: PRF-60250

4.5 out of 5 stars ( 2 )

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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 Harness, Multi-port Injection, Mass Airflow Meter, LS3 w/4L65E Trans Only, Throttle by Wire, Chevy, Kit

Part Number: PRF-60524

3.0 out of 5 stars ( 1 )

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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: Dec 8, 2025 if ordered today

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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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Fuel Injection System Wiring Harnesses, Holley EFI, GM LS 58X Crank Sensor, Includes Power, EV6 Injector, Main Harnesses, for HP, Dominator ECUs, Kit

Part Number: HLY-558-501

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Estimated Ship Date: Dec 8, 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: Dec 8, 2025 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Includes Stealth Ram/TPI Main, Power, Injector Harnesses, for HP, Dominator ECU, Chevrolet, Kit

Part Number: HLY-558-503

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Estimated Ship Date: Dec 8, 2025 if ordered today

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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

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Estimated Ship Date: Dec 5, 2025 if ordered today

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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: Tomorrow if ordered today

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

Part Number: WRS-WPLS1UVF4L80

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

Part Number: WRS-WPVRTUVT4L80

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

Part Number: HTH-HT-186500

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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

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

Part Number: WRS-WPLS1UG4L60

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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

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Estimated Ship Date: Dec 8, 2025 if ordered today

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

Part Number: WRS-WSRB26R32PKG

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Wiring Harness, Pro Series, 2004 GTO LS1, T56 Manual Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UGT56

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1992 Chevy CPI Vortec Telorvek Kit

Part Number: RFW-PI92

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Estimated Ship Date: Jan 2, 2026 if ordered today

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96-99 Chevy Trk Vortec Telorvek Kit

Part Number: RFW-TH100

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Estimated Ship Date: Jan 2, 2026 if ordered today

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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

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Wiring Harness, Pro Series, LS1, T56 Manual Transmission, 3-pin MAFS, LS1 O2 Sensors, EV1 Injectors, Each

Part Number: WRS-WPLS1UFT56

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Wiring Harness, Pro Series, Vortec, T56, 5-pin MAF Sensor, LS1 O2 Sensors, EV6 Injectors, Truck Intake, Each

Part Number: WRS-WPVRTUVTT56

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Fuel Injection Wiring Harness, Pro Series, T56, Chevy, Each

Part Number: WRS-PROLS3UNIT56

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Fuel Injection Wiring Harness, Pro Series, 4L60E, Chevy, GMC, Each

Part Number: WRS-SUM000010

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