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

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

Summit Racing™ MAP Sensor Adapters SUM-890133

Map Sensor Adapter, Convert LS1/LS2 Map Sensor to LS3 Sensor, Harness Adapter, Chevrolet V8, Each

Part Number: SUM-890133

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

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 Fuel Injector Plug Adapters WAINJ32

Wiring Harness, Adapter, Fuel Injector, Mini Delphi Multec 2 Harness to USCAR EV6, Set of 8

Part Number: ICB-WAINJ32

3.71 out of 5 stars ( 7 )

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

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

ICT Billet Fuel Injector Plug Adapters WAINJ33

Wiring Harness, Adapter, Fuel Injector, Mini Delphi Multec 2 Harness Jetronic EV1, Set of 8

Part Number: ICB-WAINJ33

4.0 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 Fuel Injector Plug Adapters WAINJ31

Wiring Harness, Adapter, Fuel Injector, Jetronic EV1 to USCAR EV6, Set of 8

Part Number: ICB-WAINJ31

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ICT Billet Fuel Injector Plug Adapters WAINJ30

Wiring Harness, Adapter, Fuel Injector, Jetronic EV1 to Mini Delphi Multec 2 Fuel, Set of 8

Part Number: ICB-WAINJ30

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

Caspers Electronics Throttle Body Wiring Harness Adapters for GM LS2 108115

Caspers Electronics Throttle Body Wiring Harness Adapters for GM LS2 108115

Throttle Body Adapter Harness, LS2 Throttle Body to LS1 Vehicle, Each

Part Number: CEI-108115

4.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Trick Flow® Fuel Injector Harness Adapter Kits TFS-89201

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

Part Number: TFS-89201

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 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

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

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

Trick Flow® Fuel Injector Harness Adapter Kits TFS-89202

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

Part Number: TFS-89202

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Caspers Electronics Fuel Injector Adapters 109149

Fuel Injector Connector Adapter, USCAR/EV6 Injector, Multec 2 Harness, Each

Part Number: CEI-109149

4.75 out of 5 stars ( 4 )

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

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

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

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

ICT Billet Fuel Injector Plug Adapters WAINJ41

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

Part Number: ICB-WAINJ41

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 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

Summit Racing™ GM Throttle Body Wiring Harness Adapters SUM-890106

Throttle Body Adapter Harness, LS2 Throttle Body to LS1 Vehicle, Each

Part Number: SUM-890106

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

ICT Billet Fuel Injector Plug Adapters WAINJ40

Wiring Harness, Adapter, Fuel Injector, USACAR EV6 Harness to Mini Delphi Multec 2 Fuel Injectors, Set of 8

Part Number: ICB-WAINJ40

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

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

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