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

Painless Performance Benchtop Flash Pigtails 60550

Painless Performance Benchtop Flash Pigtails 60550

Wiring Pigtail, Benchtop Flash, OBD II, Chevy, Each

Part Number: PRF-60550

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

FAST Fuel Injector Adapter Harnesses 170604-8

Fuel Injector Connector Adapter, USCAR/EV6 Injector, Jetronic/Minitimer/EV1 Harness, Set of 8

Part Number: FST-170604-8

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

BTR Fuel Injector Plug Adapters EV1/EV6-8

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Fleece Performance Valve Cover Conversion Harnesses for 2003-2005 RAM 2500, RAM 3500 - FPE-HAR-CUMM-VC-ADPT-EARLY

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

Part Number: FLE-S0511

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 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: Dec 5, 2025 if ordered today

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Estimated Ship Date: Dec 5, 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: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

FAST Fuel Injector Adapter Harnesses 170603-8

Fuel Injector Connector Adapter, Jetronic/Minitimer/EV1 Injector, USCAR/EV6 Harness, Set of 8

Part Number: FST-170603-8

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

FAST XFI LT1 Distributor Harness Adapters 301304

IGN ADAPTER HARNESS, GM LT1 LONG CONNECT

Part Number: FST-301304

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

FAST XFI Buick V6 Ignition Harness Adapters 301307

IGN ADAPTER HARNESS, BUICK V6 (EARLY)

Part Number: FST-301307

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

FAST Wiring Harness Adapters and Extensions 30148

Y ADAPTER, FOR MULT.INJECTOR A PPLICATION

Part Number: FST-30148

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

DeatschWerks USCAR to Jetronic Connector Adapters CONN-US-JT-CS

Wiring Pigtail, Top Feed Injector, Male and Female, 2-pin, Set of 50

Part Number: DWK-CONNUSJTCS

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Edelbrock Fuel Injector Adapters 3533

Fuel Injector Connector Adapter, EV1 Wiring Harness to Multec 2 Injector, 4.000 in. Long, Set of 8

Part Number: EDL-3533

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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Estimated Ship Date: Dec 15, 2025 if ordered today

Mopar Replacement - Wiring Harness Adapters and Extensions for 2017-2020 124 SPIDER - 68363863AA

WIRING, INJECTOR, 2017-2020

Part Number: MOP-68363863AA

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

FuelTech Wiring Harness Adapters and Extensions 2002014680

DUAL NANO TO FT700 ADAPTER HARNESS

Part Number: FCH-2002014680

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Mopar Replacement Wiring Harness Adapters and Extensions 68232967AH

WIRING, INJECTOR, 2016-2019

Part Number: MOP-68232967AH

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2025 if ordered today

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Estimated Ship Date: Dec 18, 2025 if ordered today

ICT Billet Wiring Harness Adapters and Extensions WETRA40-12

Wire Extension Harness Allison Transmission (2007+) Transmission

Part Number: ICB-WETRA40-12

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2025 if ordered today

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Estimated Ship Date: Nov 25, 2025 if ordered today

Caspers Electronics Wiring Harness Adapters and Extensions 102037

Fuel Injector Harness 14 Gage - 86/87

Part Number: CEI-102037

Not Yet Reviewed

Estimated Ship Date: Dec 5, 2025 if ordered today

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Estimated Ship Date: Dec 5, 2025 if ordered today

FAST Wiring Harness Adapters and Extensions 307042

WIRING HARNESS, FAST 4-CYL FUEL INJECTOR

Part Number: FST-307042

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

FAST Wiring Harness Adapters and Extensions 307013

WIRING HARNESS, FAST FUEL INJECTOR

Part Number: FST-307013

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

ICT Billet Wiring Harness Adapters and Extensions WAC0I40X8

LS D510C D581 D585 D514A Ignition Coil to LS1 D580 Wire Harness Adapter

Part Number: ICB-WAC0I40X8

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

Bosch Diagnostics Wiring Harness Adapters and Extensions 3824-77

Sisu Tier 5 engines in AGCO

Part Number: BGS-3824-77

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Morimoto Wiring Harness Adapters and Extensions LF356-H-EU

European Wiring Adapters: Ferrari F430 Tail Lights

Part Number: MRI-LF356-H-EU

Not Yet Reviewed

Estimated Ship Date: Dec 4, 2025 if ordered today

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Estimated Ship Date: Dec 4, 2025 if ordered today

Bosch Diagnostics Wiring Harness Adapters and Extensions 3824-81

Bendix trailer ABS CAN

Part Number: BGS-3824-81

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Bosch Diagnostics Wiring Harness Adapters and Extensions 4824-03

OBD Cable Adapter

Part Number: BGS-4824-03

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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ATI Performance Products Wiring Harness Adapters and Extensions 940876

ADAPTER - 400 - KIT W/ 4 WIRE - EXT AND INT AT SOCKET AND PLUG - FOR OEM KICK DOWN PASS THROUGH HOLE

Part Number: ATI-940876

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Estimated Ship Date: Nov 24, 2025 if ordered today

Chevrolet Performance Wiring Harness Adapters and Extensions 97251137

MAF HARNESS PLUG

Part Number: NAL-97251137

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today