Wiring Harness Adapters and Extensions - Free Shipping on Orders Over $109 at Summit Racing

Trick Flow® Fuel Injector Harness Adapter Kits TFS-89205

Fuel Injector Connector Adapter, Jetronic/Minitimer/EV1 Injector, USCAR/EV6 Harness, GM, LS2, L92, Kit

Part Number: TFS-89205

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Fleece Performance VGT Harness Adapters FPE-34425

Harness, VGT Adapter, Dodge, Ram, Each

Part Number: FLE-FPE-34425

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

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Estimated Ship Date: Nov 6, 2025 if ordered today

ICT Billet MAF Harness Extensions WAMAF32-6

Wire Breakout Harness LS1 Gen 3 3-wire MAF to 5-wire LS3 Card Mass Air Sensor

Part Number: ICB-WAMAF32-6

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

ICT Billet MAF Harness Extensions WAMAF40-6

Wire Adapter Harness Mass Air MAF LS Gen 4 Truck Tube Style to LS3 Card Style

Part Number: ICB-WAMAF40-6

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

Lingenfelter Performance Engineering MAF Sensor Harness Adapters CE108124

MAF Wiring Harness Adapter, 100mm, Each

Part Number: LPE-CE108124

1.0 out of 5 stars ( 1 )

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Injector Dynamics Fuel Injector Connector Adapters 90.2

Fuel Injector Connector Adapter, USCAR/EV6, OBD II, Each

Part Number: IJD-90-2

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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Estimated Ship Date: Oct 22, 2025 if ordered today

Caspers Electronics MAF Harness Adapters 108124

Caspers Electronics MAF Harness Adapters 108124

MAF Adapter Hi-Density Small 5 pin to GT

Part Number: CEI-108124

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

ICT Billet Wiring Harness Extensions WETHB30-12

LS Gen 3 Throttle Body Wire Extension DBW 8 Wire Vortec 4.8 5.3 6.0 LQ4 LQ9 LM7

Part Number: ICB-WETHB30-12

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

Injector Dynamics Fuel Injector Connector Adapters for 2012-2015 CIVIC - 90.11

Wiring Harness, Adapter, Fuel Injector, USCAR, for use on Honda®, Each

Part Number: IJD-90-11

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

FAST Wiring Harness Adapters 308031

Wiring Pigtail, MAP Sensor, 3-pins, Each

Part Number: FST-308031

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

HalTech Elite CAN DTM-4 Extension Cables HT-130022

Wiring Harness Extension, HalTech Elite CAN DTM-4 Extension Cable, 4-pin, 12.00 in. Length, ECU Usage, Each

Part Number: HTH-HT-130022

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

HalTech Elite CAN DTM-4 Extension Cables HT-130020

Wiring Harness Extension, HalTech Elite CAN DTM-4 Extension Cable, 4-pin, 3.00 in. Length, ECU Usage, Each

Part Number: HTH-HT-130020

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

ICT Billet MAF Harness Extensions WEMAF43-48

Wire Extension Harness 48" LS3 Gen 4 MAF Mass Air Flow Sensor Card Style 6.2 L99

Part Number: ICB-WEMAF43-48

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

ICT Billet Crankshaft Position Sensor Harness Adapters WACKP40-6

Adapter LS Gen III Crankshaft Position Sensor to Gen IV Harness – 6"

Part Number: ICB-WACKP40-6

Not Yet Reviewed

Estimated Ship Date: Oct 16, 2025 if ordered today

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Estimated Ship Date: Oct 16, 2025 if ordered today

Warn Wiring Harness Adapters and Extensions 100753

HARNESS EXTENSION_CANBUS

Part Number: WRN-100753

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

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Estimated Ship Date: Oct 28, 2025 if ordered today

BD Diesel Wiring Harness Adapters and Extensions 1050458

INJECTOR CONNECTOR PIGTAIL KIT (4-PACK) CHEVY/GM DURAMAX L5P 2017+

Part Number: BDD-1050458

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Fleece Performance Valve Cover Conversion Harnesses FPE-HAR-CUMM-VC-ADPT-LATE

Wiring Harness, Valve Cover Conversion Harness, 6-Pin Injector to 4-Pin Injectors, Plug-n-Play, Dodge, Ram, 5.9L, 6.7L, Cummins, Each

Part Number: FLE-S0510

Not Yet Reviewed

Estimated Ship Date: Nov 6, 2025 if ordered today

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Estimated Ship Date: Nov 6, 2025 if ordered today

Caspers Electronics Wiring Harness Adapters and Extensions 109272R

THROTTLE BODY EXTENSION

Part Number: CEI-109272R

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

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Estimated Ship Date: Oct 6, 2025 if ordered today

ICT Billet Wiring Harness Adapters and Extensions WPSTR51

Wire Connector Pigtail Gen V LT Starter Motor Solenoid

Part Number: ICB-WPSTR51

Not Yet Reviewed

Estimated Ship Date: Oct 17, 2025 if ordered today

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Estimated Ship Date: Oct 17, 2025 if ordered today

HalTech Elite CAN DTM-4 Extension Cables HT-130027

Wiring Harness Extension, HalTech Elite CAN DTM-4 Extension Cable, 4-pin, 92.00 in. Length, ECU Usage, Each

Part Number: HTH-HT-130027

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

HalTech Elite CAN DTM-4 Extension Cables HT-130028

Wiring Harness Extension, HalTech Elite CAN DTM-4 Extension Cable, 4-pin, 120.00 in. Length, ECU Usage, Each

Part Number: HTH-HT-130028

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

HalTech Elite CAN DTM-4 Extension Cables HT-130029

Wiring Harness Extension, HalTech Elite CAN DTM-4 Extension Cable, 4-pin, 144.00 in. Length, ECU Usage, Each

Part Number: HTH-HT-130029

Not Yet Reviewed

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

Fleece Performance Wiring Harness Extensions FPE-HAR-CUMM-CC-EXT

Cummins Crankshaft Position Sensor Extension Harness

Part Number: FLE-S0406

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

JMS Chip and Performance Wiring Harness Adapters and Extensions J86950510

Mass Air Meter Wiring Adapter -- 1986-1995 Mustang conversion to 2005-2010 Slot Style MAF Sensor

Part Number: JMS-J86950510

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

JMS Chip and Performance Wiring Harness Adapters and Extensions J86959604

Mass Air Meter Wiring Adapter -- 1986-1995 Mustang conversion to 1996-2004 MAF Sensor

Part Number: JMS-J86959604

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today