Availability
Fuel Injection System Wiring Harnesses
Harness the power and exceptional drivability of fuel injection for your ride. Our selection of fuel injection wiring harnesses makes it easy to bring throttle body,...
Harness the power and exceptional drivability of fuel injection for your ride. Our selection of fuel injection wiring harnesses makes it easy to bring throttle body, multi-port, or sequential multi-port fuel injection to your vehicle. Whether you’re adding an aftermarket fuel injection system to your existing engine, swapping in a completely new fuel-injected engine, or just replacing old wiring, we’ve got what you need. We carry complete EFI wiring harnesses from Holley, FAST, Ron Francis Wiring, Accel, Painless Performance, and many others. Bring fuel injection to darn near anything—vintage hot rods,...
Harness the power and exceptional drivability of fuel injection for your ride. Our selection of fuel injection wiring harnesses makes it easy to bring throttle body, multi-port, or sequential multi-port fuel injection to your vehicle. Whether you’re adding an aftermarket fuel injection system to your existing engine, swapping in a completely new fuel-injected engine, or just replacing old wiring, we’ve got what you need. We carry complete EFI wiring harnesses from Holley, FAST, Ron Francis Wiring, Accel, Painless Performance, and many others. Bring fuel injection to darn near anything—vintage hot rods, street rods, replica cars, or whatever—with fuel injection system wiring harnesses from Summit Racing.
Wiring Pigtail, GM Flex Fuel Sensor, 6.00 in., Multi-Port, Chevy, LS, Each
Part Number: SUM-890135
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harnesses, Holley EFI, Benchtop Harness, Test Harness, EFI Input Connectors, Power Switch, for HP, Dominator, Terminator, Sniper ECUs, Each
Part Number: HLY-558-127
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Wiring Harness, Flex Fuel Sensor Pigtail, 6.00 in., Multi-Port, Chevy, LS, Each
Part Number: ICB-WPFLX40
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
PRO 550 V8 COMPLETE HARNESS
Part Number: FCH-3026109037
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
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
Estimated Ship Date: Mar 23, 2026 if ordered 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
Estimated Ship Date: Mar 2, 2026 if ordered today
Wiring Harness, EGR Adapter Harness, Chevy, Each
Part Number: PRF-60119
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine and Transmission Main Harness, OEM Series, for Nissan, Skyline, R32 GT-R, RB26DETT, Manual Transmission, Kit
Part Number: WRS-RB26R32-MAIN
Not Yet Reviewed
Estimated Ship Date: Mar 2, 2026 if ordered today
Estimated Ship Date: Mar 2, 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 Wiring Harness, 10 Channel Peak and Hold Injector Driver Harness, Each
Part Number: AVM-35-3900
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
2014+ GM GEN V LT L86/L83 WITH T56 STANDALONE WIRING HARNESS
Part Number: TSN-WH1222
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
2014+ GM GEN V LT L86/L83 WITH 10L80/10L90 STANDALONE WIRING HARNESS
Part Number: TSN-WH1223
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
2014+ GM GEN V LT L86/L83 WITH 6L80E STANDALONE WIRING HARNESS
Part Number: TSN-WH1221
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
2003-2007 LS TRUCK WITH 4L60E (05-08 15 PIN) STANDALONE WIRING HARNESS, DRIVE-BY-WIRE
Part Number: TSN-WH1212-2
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
2014+ GEN V LT L83/L86 FUEL INJECTIOR WIRING HARNESS, PASSENGER SIDE
Part Number: TSN-WH1221-2
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
WIRING, INJECTOR, 2015-2018
Part Number: MOP-68270198AA
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
HARNESS, INJECTOR, 2012-2017
Part Number: MOP-04892871AA
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Engine and Transmission Harness Combo, OEM Series, for Nissan, Skyline, R32 GT-R, RB26DETT, Manual Transmission, Kit
Part Number: WRS-RB26R32-COMB
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
FUEL RAIL WIRING, 1996-1997
Part Number: MOP-04687267AB
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
WIRING, FUEL RAIL, 2004-2005
Part Number: MOP-04868908AB
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
WIRING, FUEL RAIL, 2005-2006
Part Number: MOP-04869538AE
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Wiring Harness, Fuel Injector Harness, OEM Replacement, Dodge, Truck, L6, 5.9L, Each
Part Number: CBM-05139865AA
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
WIRING, FUEL RAIL, 2001-2003
Part Number: MOP-04868408AD
Not Yet Reviewed
Estimated Ship Date: Apr 1, 2026 if ordered today
Estimated Ship Date: Apr 1, 2026 if ordered today
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