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Wiring Harness Adapters and Extensions

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Results 1 - 25 of 56

Holley MAP Sensor Adapters 558-416

Holley MAP Sensor Adapters 558-416

Holley MAP Sensor Adapters 558-416

Harness Adaptors, Holley EFI, LS3 MAP Sensor Adapter, Plug-and-Play, Pre-Terminated, Adapts to LS1/LS2 Engine, Chevy, 5.7L, 6.0L, Each

Part Number: HLY-558-416

4.88 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

BTR Fuel Injector Plug Adapters EV1/EV6-8

BTR Fuel Injector Plug Adapters EV1/EV6-8

BTR Fuel Injector Plug Adapters EV1/EV6-8

Wiring Harness Adapters and Extensions, Fuel Injector Plug Adapters, Bosch, EV6/USCAR Connector Model, 2-pin, Bosch EV1 2-pin, Set of 8

Part Number: BTC-EV1EV68

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ICT Billet LS VVT to Non-VVT Camshaft Sensor Adapters WAVVT40-10

ICT Billet LS VVT to Non-VVT Camshaft Sensor Adapters WAVVT40-10

ICT Billet LS VVT to Non-VVT Camshaft Sensor Adapters WAVVT40-10

Adapter Harness, Camshaft Sensor, VVT to NON-VVT, 10 in. Length, GM, LS, Each

Part Number: ICB-WAVVT40-10

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Holley MAP Sensor Adapters 558-467

Holley MAP Sensor Adapters 558-467

Holley MAP Sensor Adapters 558-467

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, 3-pin Delphi GT to 3-pin Delphi M/P 150 Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-467

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ICT Billet MAP Sensor Harness Adapters WAMAP31-6

ICT Billet MAP Sensor Harness Adapters WAMAP31-6

ICT Billet MAP Sensor Harness Adapters WAMAP31-6

Map Sensor Adapter, Convert LS Gen III Map Sensor Harness to Gen IV LS Bosch Style Sensor, Chevrolet, Each

Part Number: ICB-WAMAP31-6

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Holley MAP Sensor Adapters 558-466

Holley MAP Sensor Adapters 558-466

Holley MAP Sensor Adapters 558-466

Adapter Harnesses, Holley EFI, MAP Sensor Adapter, MPFI Weatherpack 2-pin to 3-pin Delphi GT Connector, Plug-and-Play, LS Engine Harness, Each

Part Number: HLY-558-466

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Painless Performance Benchtop Flash Pigtails 60550

Made in the USA 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: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ICT Billet Fuel Injector Plug Adapters WAINJ42

ICT Billet Fuel Injector Plug Adapters WAINJ42

ICT Billet Fuel Injector Plug Adapters WAINJ42

Wire Harness Wire Harness Adapter for USCAR EV6 to Denso Bosch Fast Fuel Injector

Part Number: ICB-WAINJ42

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1995-1997 CAMARO, FIREBIRD, 1995-1996 CORVETTE - 108097

Made in the USA Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1995-1997 CAMARO, FIREBIRD, 1995-1996 CORVETTE - 108097

Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1995-1997 CAMARO, FIREBIRD, 1995-1996 CORVETTE - 108097

Optispark to Metripack Adapter, Replaces Original Harness, Chevy, Pontiac, Each

Part Number: CEI-108097

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics MAP Sensor Harness Adapters 109103

Made in the USA Caspers Electronics MAP Sensor Harness Adapters 109103

Caspers Electronics MAP Sensor Harness Adapters 109103

Map Sensor Adapter, Convert LS1/LS2 Map Sensor Harness to LS3 Sensor, Chevrolet, Each

Part Number: CEI-109103

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics Fuel Injector Adapters 109076

Made in the USA Caspers Electronics Fuel Injector Adapters 109076

Caspers Electronics Fuel Injector Adapters 109076

Fuel Injector Connector Adapter, Jetronic/Minitimer/EV1 Injector, USCAR/EV6 Harness, Each

Part Number: CEI-109076

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ICT Billet MAF Harness Extensions WAMAF33-6

ICT Billet MAF Harness Extensions WAMAF33-6

ICT Billet MAF Harness Extensions WAMAF33-6

Wiring Harness Adapters and Extensions, MAF Harness Extensions, Delphi/GM, Metri-pack GT Series, 5-pin, 6.00 in. Length, Chevy, Small Block LS, Each

Part Number: ICB-WAMAF33-6

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics MAF/IAT Breakout Harnesses for 2006-2009 CORVETTE, 2008-2009 G8 - 108165

Made in the USA Caspers Electronics MAF/IAT Breakout Harnesses for 2006-2009 CORVETTE, 2008-2009 G8 - 108165

Caspers Electronics MAF/IAT Breakout Harnesses for 2006-2009 CORVETTE, 2008-2009 G8 - 108165

Extension Harness, MAF/IAT Breakout, Chevy, Pontiac, Each

Part Number: CEI-108165

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics MAF/IAT Breakout Harnesses for 2005-2006 GTO - 108136

Made in the USA Caspers Electronics MAF/IAT Breakout Harnesses for 2005-2006 GTO - 108136

Caspers Electronics MAF/IAT Breakout Harnesses for 2005-2006 GTO - 108136

Wiring Harness, MAF/IAT Breakout-GT Series Dense, Each

Part Number: CEI-108136

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

FAST TPS Adapter Harnesses 308022

FAST TPS Adapter Harnesses 308022

FAST TPS Adapter Harnesses 308022

Harness Adapter, Early to Late GM TPS, Each

Part Number: FST-308022

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

DeatschWerks USCAR to Jetronic Connector Adapters CONN-US-JT

DeatschWerks USCAR to Jetronic Connector Adapters CONN-US-JT

DeatschWerks USCAR to Jetronic Connector Adapters CONN-US-JT

Wiring Pigtail, Top Feed Injector, Male and Female, 2-pin, Each

Part Number: DWK-CONN-US-JT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics Fuel Injector Adapters 109077

Made in the USA Caspers Electronics Fuel Injector Adapters 109077

Caspers Electronics Fuel Injector Adapters 109077

Fuel Injector Connector Adapter, USCAR/EV6 Injector, Jetronic/Minitimer/EV1 Harness, Each

Part Number: CEI-109077

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

FAST TPS Adapter Harnesses 308030

FAST TPS Adapter Harnesses 308030

FAST TPS Adapter Harnesses 308030

Wiring Pigtail, Fuel Injector, Early to Late GM TPS, Each

Part Number: FST-308030

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Haltech Nexus Rebel LS Throttle Adapter Harnesses HT-186504

Haltech Nexus Rebel LS Throttle Adapter Harnesses HT-186504

Haltech Nexus Rebel LS Throttle Adapter Harnesses HT-186504

Harness Adapter, Nexus Rebel LS, Cable Operated, TPS, IAC, Chevrolet, LS, Each

Part Number: HTH-HT-186504

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Top Street Performance MAP Sensor Extension Harnesses 81034

Top Street Performance MAP Sensor Extension Harnesses 81034

Top Street Performance MAP Sensor Extension Harnesses 81034

Map Sensor Extension Harness, 24 in. Length, Each

Part Number: TSN-81034

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Haltech Nexus Rebel LS MAP Sensor Adapter Harnesses HT-186511

Haltech Nexus Rebel LS MAP Sensor Adapter Harnesses HT-186511

Haltech Nexus Rebel LS MAP Sensor Adapter Harnesses HT-186511

Map Sensor Adapter, Convert LS Gen III Map Sensor Harness to Gen IV LS Bosch Style Sensor, Nexus Rebel, Chevrolet, Each

Part Number: HTH-HT-186511

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

FAST Fuel Injector Adapter Harnesses 170604-8

FAST Fuel Injector Adapter Harnesses 170604-8

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: Dec 9, 2025 if ordered today

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Estimated Ship Date: Dec 9, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

BTR Fuel Injector Plug Adapters EV1/EV6-8

BTR Fuel Injector Plug Adapters EV1/EV6-8

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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ICT Billet MAP Sensor Harness Adapters WAMAP40-6

ICT Billet MAP Sensor Harness Adapters WAMAP40-6

ICT Billet MAP Sensor Harness Adapters WAMAP40-6

Wire Harness Adapter 6 in. LS Gen 4 (IV) Vehicle to Gen 3 MAP Sensor LS1 LS3 LSA

Part Number: ICB-WAMAP40-6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1993 CAMARO, FIREBIRD, 1992-1993 CORVETTE - 108161

Made in the USA Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1993 CAMARO, FIREBIRD, 1992-1993 CORVETTE - 108161

Caspers Electronics GM Opti Spark Wiring Harness Adapters for 1993 CAMARO, FIREBIRD, 1992-1993 CORVETTE - 108161

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

Part Number: CEI-108161

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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