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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.
Showing In Stock Items. Show All 284 Items.
Wiring Harness, Fuel Injection, for Engine Swaps, Multi-Port, Mass Airflow, with 10 Circuit Fuse Block/GM Colors, Chevy, LS 4.8, 5.3, 6.0L, Each
Part Number: PRF-60217
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Fuel Injection System Wiring Harnesses, EFI CAN Splitters, 12 in. Length, for Use with Holley Terminator X or Sniper EFI Systems, Each
Part Number: SUM-890520
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System Wiring Harnesses, Holley EFI, CAN Splitter Assembly, Pre-Terminated, Plug-and-Play, for Terminator X, Sniper EFI Systems, Each
Part Number: HLY-558-465
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1201
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection, GM, SFI, LS1, Engine Swap, Front Mount Fuse Block, Standard Length, Universal
Part Number: PRF-60508
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, EFI Transplant, Multi-Port, Mass Airflow, Standard Length, Ford, Small Block, Each
Part Number: PRF-60510
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Cummins Diesel, 5.9L, Facilitates Engine Transplants, Each
Part Number: PRF-60250
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, EFI Transplant, Multi-Port, Mass Airflow, Extra-Long, Ford, Small Block, Each
Part Number: PRF-60511
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 4.3L, V6, Each
Part Number: PRF-60214
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Late Model, Each
Part Number: HLY-558-116
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection Systems Wiring Harnesses, Dominator EFI, J2B Auxiliary Harness, 8 Additional Inputs, 23 Outputs, Connector Included, Kit
Part Number: HLY-558-402
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Sniper 2 EFI Main Battery Harness, Without PDM, Each
Part Number: SNE-558-191
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection System, Standalone, Drive-By-Cable, LS1, Kit
Part Number: TSN-WH1200
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection, Mechanical Throttle Body, Chevy, Small Block, Each
Part Number: PRF-60617
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection, GM, TPI, Engine Swap, Universal, Kit
Part Number: PRF-60102
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Pigtail, GM Flex Fuel Sensor, 6.00 in., Multi-Port, Chevy, LS, Each
Part Number: SUM-890135
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System Wiring Harnesses, Distributor Adapter Harness, Sniper EFI to Holley Dual Sync Distributor, 12 V, Plug-and-Play, Each
Part Number: SNE-558-493
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Fuel Injection, GM, SFI, LT1/LT4 Engine Swap, Extra-Long Harness, Universal, Kit
Part Number: PRF-60505
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Wiring Harness, Gen III Vortec, Chevy, 4.8/5.3/6.0L, Each
Part Number: PRF-60218
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Engine Wiring Harness, Engine Swap, Front Fuse Block, Standard Length, Chevy, 454, Kit
Part Number: PRF-60211
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System Wiring Harnesses, Holley EFI, Replacement, Main Harness, Terminator EFI Systems, Model 550-405, 550-406, Each
Part Number: HLY-558-414
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Fuel Injection System Wiring Harnesses, Holley EFI, Fuel Injector Harness, Unterminated, Bosch Style, for HP, Dominator EFI Systems, Universal, Each
Part Number: HLY-558-204
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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Summit Racing™ EFI CAN Splitters SUM-890520
