Availability
Fuel Injection System Wiring Harnesses
Showing In Stock Items. Show All 20 Items.
Wiring Harnesses, Holley EFI, Universal, Unterminated, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, with Connectors, Each
Part Number: HLY-558-105
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Holley EFI, V8 Over Manifold, Bosch Injector Harness, for Avenger, Dominator, HP EFI Systems, Chrysler, GM, Cylinder Orientation, Kit
Part Number: HLY-558-200
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, Replacement, Main Harness, Multi-port Fuel Injection, for HP, Dominator, EFI Systems, Universal, Each
Part Number: HLY-558-104
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Auxiliary Harness, J1A/B Inputs/Outputs, for Terminator, Dominator EFI Systems, Each
Part Number: HLY-558-400
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, Bosch/Jetronic, for HP, Dominator EFI, Each
Part Number: HLY-558-213
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Ford V8, Evenly Spaced, Injector Harness, USCAR/EV6, for HP, Dominator EFI, Each
Part Number: HLY-558-212
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, Holley EFI, Multi-port Fuel Injection, Coil-on-Plug, Dual CANbus, for Holley HP, Dominator EFI, Universal, Kit
Part Number: HLY-558-117
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Fuel Injector Sub-Harness, EV6, Nexus Rebel LS, Chevrolet, LS, Each
Part Number: HTH-HT-186502
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, EV6 Unterminated, Injector Harness, 36 in. Long, with Pins, Seals, Connector, Kit
Part Number: HLY-558-216
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered 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
Estimated Ship Date: Mar 9, 2026 if ordered 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
Estimated Ship Date: Mar 9, 2026 if ordered today
Adapter cable, CD-7/CD-7L Plug & Play Adapter Harness for Holley Dominator and HP EFI, Each
Part Number: AVM-30-2214
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Fuel Injection System Wiring Harnesses, FiTech, EFI, TPS Splitter, Gm 3 Pin, Each
Part Number: FIF-62020
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
FT550 6 CYLINDER UNIVERSAL B EXPANSION HARNESS
Part Number: FCH-2002008377
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harnesses, FiTech, EFI, Injector Sub Harness, Delphi Multec 2, Each
Part Number: FIF-70050-24
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Fuel Injection System Wiring Harnesses, FiTech, EFI, LS Coil Extension Harness, 36 in. Long, Each
Part Number: FIF-70050-26
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Fuel Injection System Wiring Harnesses, FiTech, EFI, Injector Extension Harness, 6 Position, 24 in.Long, Each
Part Number: FIF-70050-25
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
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