$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

Filters

Selected Filters

Filter Results by Vehicle

Loading...

Availability

Wiring Harness Adapters and Extensions

Individual Parts
Part Groups

Results 26 - 50 of 96

Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1992 CORVETTE - 108199

Made in the USA Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1992 CORVETTE - 108199

Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1992 CORVETTE - 108199

Opti Spark Adapter Harness, Chevy, 5.7L LT, Each

Part Number: CEI-108199

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ICT Billet Wiring Harness Extensions WEALT30-36

ICT Billet Wiring Harness Extensions WEALT30-36

ICT Billet Wiring Harness Extensions WEALT30-36

Wiring Pigtail, Alternator, Male and Female, 4-pin, 36 in. Long, Chevy, Each

Part Number: ICB-WEALT30-36

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ICT Billet Wiring Harness Extensions WEAPP30-72

ICT Billet Wiring Harness Extensions WEAPP30-72

ICT Billet Wiring Harness Extensions WEAPP30-72

LS Gen 3 Truck TAC Module Pedal Position 72" Wire Extension

Part Number: ICB-WEAPP30-72

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ICT Billet Wiring Harness Extensions WEPUR30-12

ICT Billet Wiring Harness Extensions WEPUR30-12

ICT Billet Wiring Harness Extensions WEPUR30-12

Wire Extension 12" LS Purge Valve EVAP Solenoid

Part Number: ICB-WEPUR30-12

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

JMS Chip MAF Harnesses JLS3EXT

Made in the USA JMS Chip MAF Harnesses JLS3EXT

JMS Chip MAF Harnesses JLS3EXT

Mass Air Meter Wiring Extension -- LS3 and LS7 MAF

Part Number: JMS-JLS3EXT

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

FAST MAP Sensor Adapter Harnesses 308029

FAST MAP Sensor Adapter Harnesses 308029

FAST MAP Sensor Adapter Harnesses 308029

ADAMPER EARLYGYM

Part Number: FST-308029

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Caspers Electronics Fuel Injector Adapters 109277

Made in the USA Caspers Electronics Fuel Injector Adapters 109277

Caspers Electronics Fuel Injector Adapters 109277

Injector Adapter, Multec 2 to EV1, Each

Part Number: CEI-109277

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

JMS Chip MAF Harnesses JLS2LS3ADX

Made in the USA JMS Chip MAF Harnesses JLS2LS3ADX

JMS Chip MAF Harnesses JLS2LS3ADX

Mass Air Meter Wiring Extension/Adapter, LS2 conversion to LS3/LS7 MAF Sensor, Each

Part Number: JMS-JLS2LS3ADX

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Lingenfelter Performance Engineering Throttle Body Signal Output Harnesses CE105454

Lingenfelter Performance Engineering Throttle Body Signal Output Harnesses CE105454

Lingenfelter Performance Engineering Throttle Body Signal Output Harnesses CE105454

Throttle Body Adapter Harness, Position Sensor, GM, LS2, LS3, LS7, LS9, LSA, Each

Part Number: LPE-CE105454

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ICT Billet Wiring Harness Extensions WACAM40-6

ICT Billet Wiring Harness Extensions WACAM40-6

ICT Billet Wiring Harness Extensions WACAM40-6

Wire Adapter 6" LS Gen 4 CMP Camshaft Position Sensor Connector

Part Number: ICB-WACAM40-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

ICT Billet MAF Harness Extensions WEMAF30-24

ICT Billet MAF Harness Extensions WEMAF30-24

ICT Billet MAF Harness Extensions WEMAF30-24

Wire Extension Harness 24" LS Gen 3 MAF Mass Air Flow Sensor Wiring LS1 5.7L

Part Number: ICB-WEMAF30-24

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Fleece Performance Wiring Harness Extensions for 2002 RAM 2500, RAM 3500 - FPE-HAR-CUMM-ADPT-MAP-02

Fleece Performance Wiring Harness Extensions for 2002 RAM 2500, RAM 3500 - FPE-HAR-CUMM-ADPT-MAP-02

Fleece Performance Wiring Harness Extensions for 2002 RAM 2500, RAM 3500 - FPE-HAR-CUMM-ADPT-MAP-02

Wire Connectors, MAP Sensor Pigtail, 3-pin, Female Connector, Gray, Black Wire, Cummins, Dodge, Each

Part Number: FLE-S0480

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Caspers Electronics MAF Harness Adapters 108100

Made in the USA Caspers Electronics MAF Harness Adapters 108100

Caspers Electronics MAF Harness Adapters 108100

Harness Adapter, MAF, 9.5 in. Wire Length, LS1 MAF To LT1 Engine, Each

Part Number: CEI-108100

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

DeatschWerks USCAR to Sumitomo Connector Adapters CONN-US-SUM

DeatschWerks USCAR to Sumitomo Connector Adapters CONN-US-SUM

DeatschWerks USCAR to Sumitomo Connector Adapters CONN-US-SUM

Fuel Injector Connector Adapter, USCAR/EV6 Injector, Sumitomo Harness, Each

Part Number: DWK-CONNUSSUM

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

DeatschWerks USCAR to Honda Double-Sided Connector Adapters CONN-US-HON

DeatschWerks USCAR to Honda Double-Sided Connector Adapters CONN-US-HON

DeatschWerks USCAR to Honda Double-Sided Connector Adapters CONN-US-HON

Fuel Injector Connector Adapter, USCAR/EV6 Injector, for Honda® Wide Slot Harness, Each

Part Number: DWK-CONNUSHON

Not Yet Reviewed

Estimated Ship Date: Oct 30, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 30, 2025 if ordered today

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

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

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: Nov 7, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 7, 2025 if ordered today

FAST Fuel Injector Adapter Harnesses 170603-8

FAST Fuel Injector Adapter Harnesses 170603-8

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: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

Flaming River Horseshoe Wiring Connectors FR20118-6

Flaming River Horseshoe Wiring Connectors FR20118-6

Flaming River Horseshoe Wiring Connectors FR20118-6

Wiring Connector, Horseshoe, Female, 8-pin, Quick-disconnect, Black, Chrysler, Dodge, Plymouth, Each

Part Number: FLA-FR20118-6

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

FAST Wiring Harness Adapters 308031

FAST Wiring Harness Adapters 308031

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 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

BD Diesel Wiring Harness Adapters and Extensions 1050458

BD Diesel Wiring Harness Adapters and Extensions 1050458

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

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

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

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

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

...Loading

Estimated Ship Date: Nov 6, 2025 if ordered today

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

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

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: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

JMS Chip and Performance Wiring Harness Adapters and Extensions J86959604

Made in the USA JMS Chip and Performance Wiring Harness Adapters and Extensions J86959604

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 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

JMS Chip and Performance Wiring Harness Adapters and Extensions J86950510

Made in the USA JMS Chip and Performance Wiring Harness Adapters and Extensions J86950510

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 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Chevrolet Performance Camshaft Position Sensor Pigtails 12627501

Chevrolet Performance Camshaft Position Sensor Pigtails 12627501

Chevrolet Performance Camshaft Position Sensor Pigtails 12627501

Wiring Pigtail, Camshaft Position Sensor, Chevy, Each

Part Number: NAL-12627501

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify