Fuel Injection System Wiring Harnesses

Fuel Injection Systems Wiring Harnesses, Holley EFI, Drive-by-Wire Harness, GM LSx, for Dominator EFI Systems, 6-Pin, Each

Part Number: HLY-558-406

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Fuel Injection System Wiring Harness, Stand-Alone, Engine Swap, CFI/TBI, TH200-4R/TH700-R4, Universal, Chevy Small Block Gen I, Kit

Part Number: PRF-60101

4.86 out of 5 stars ( 7 )

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

Part Number: TSN-WH1201

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Wire Harnesses, Sniper EFI, HyperSpark, Main Harness, Throttle Body Injection, Plug-n-Play, 40 amp Relay Included, Each

Part Number: SNE-558-328

5.0 out of 5 stars ( 3 )

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Fuel Injection System Wiring Harnesses, Holley EFI, Pro-Dash, Input/Output, Unterminated, 2 and 3 Conductor Cable, 10 ft. Long, Pins, Plugs, Each

Part Number: HLY-558-456

5.0 out of 5 stars ( 1 )

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, MPFI, Mass Airflow, Injector Harness, LS Multec 2, Chevy, Truck, 4.8-6.0L, Each

Part Number: HLY-558-214

5.0 out of 5 stars ( 3 )

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Fuel Injection System Wiring Harnesses, Holley EFI, GM Gen V LTx, Drive-by-Wire, Throttle Body Harness, for Terminator X and X Max ECUs, Each

Part Number: HLY-558-468

5.0 out of 5 stars ( 1 )

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Fuel Injection System Wiring Harnesses, Holley EFI, Drive-by-wire Harness, GM LSx Early Truck, MPFI, SFI, TBI, for Dominator EFI Systems, Each

Part Number: HLY-558-429

4.75 out of 5 stars ( 4 )

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

Part Number: TSN-WH1210

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Fuel Injection System Wiring Harnesses, Dominator EFI, GM LSx, Dual Drive-by-Wire Harness, for Throttle Bodies to Dominator EFI Systems, Each

Part Number: HLY-558-411

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Fuel Injection System Wiring Harnesses, Holley EFI, Ford Coyote, Drive-By-Wire Harness, Multi-port Style, for HP/Dominator EFI System, Ford, 5.0L, Kit

Part Number: HLY-558-422

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

Part Number: TSN-WH1200

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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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2009-2014 LS TRUCK LY6(6.0L)/L92(6.2L) WITH 4L80E STANDALONE WIRING HARNESS, EV6, DRIVE-BY-WIRE

Part Number: TSN-WH1214-1

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Estimated Ship Date: Dec 23, 2026 if ordered today

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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

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Estimated Ship Date: Nov 3, 2026 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: Nov 3, 2026 if ordered today

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Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Injector Harness, Multi-Port, for HP, Dominator EFI Systems, Each

Part Number: HLY-558-209

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Wiring Harness, Pro Series, 6.0L LS2, Magnum Manual Transmission, 5-pin MAF, EV6 Injectors, Each

Part Number: WRS-WPLS2UGT5MEP

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Fuel Injection System Wiring Harnesses, Holley EFI, Terminator, Throttle Body Systems, Plug-and-Play, Upgrade Harness, for 205 lb./hr. Injectors, Each

Part Number: HLY-558-439

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Estimated Ship Date: Nov 3, 2026 if ordered today

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FT550 6 CYLINDER UNIVERSAL B EXPANSION HARNESS

Part Number: FCH-2002008377

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Wiring Harness, Gen III Vortec, Chevy, Small Block, LS1, Each

Part Number: PRF-60324

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2003-2007 LS TRUCK WITH 4L60E (05-08 15 PIN) STANDALONE WIRING HARNESS, DRIVE-BY-WIRE

Part Number: TSN-WH1212-2

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Estimated Ship Date: Dec 22, 2026 if ordered today

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Diesel Fuel Injection Harness

Part Number: SMP-IFH1

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Estimated Ship Date: Nov 3, 2026 if ordered today

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