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

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

ICT Billet MAF Harness Extensions WEMAF50-48

Harness Extension, MAF Sensor, 48 in. Length, Chevrolet, 8-Wire, Each

Part Number: ICB-WEMAF50-48

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 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 Throttle Body Extension Cables for GM LS2/LS7 Engines 109133

Throttle Body Adapter Harness, 24 in. Long, Each

Part Number: CEI-109133

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

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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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 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/IAT Breakout Harnesses WAMAF42-36

Wiring Harness Adapters and Extensions, MAF/IAT Breakout Harnesses, Extension with Splitter, Delphi/GM, Metri-pack GT Series, Chevrolet, 6.2L LS, Each

Part Number: ICB-WAMAF42-36

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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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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Caspers Electronics VSS Splitters 118081

Wiring Harness Adapter and Extension, VSS Splitter, Delphi/GM, Each

Part Number: CEI-118081

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

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

ICT Billet Wiring Harness Extensions WECKP40-36

Wire Extension LS Gen 4 Gray 3-Wire CKP Crankshaft Position Sensor Connector

Part Number: ICB-WECKP40-36

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

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

ICT Billet MAF Harness Extensions WEMAF31-48

Harness Extension, MAF Sensor, 48 in. Length, Chevrolet, 5-Wire, Each

Part Number: ICB-WEMAF31-48

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

Top Street Performance Throttle Body Harness Adapter for GM LS1 to LS2 81032

Throttle Body Adapter Harness, 8-Pin LS1 Harness to 6-Pin LS2 Throttle Body Plug, Each

Part Number: TSN-81032

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

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

ICT Billet Wiring Harness Extensions WECTS30-36

Wiring Connectors, Coolant Temperature Sensor Extension, 36 in., 2 Pin, Each

Part Number: ICB-WECTS30-36

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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ICT Billet Wiring Harness Extensions WEMAP30-24

Wire Extension 24" LS Gen 3 MAP Manifold Absolute Pressure Sensor Connector

Part Number: ICB-WEMAP30-24

Not Yet Reviewed

Estimated Ship Date: Monday 10/6/2025

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Estimated Ship Date: Monday 10/6/2025

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

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

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

ICT Billet MAF/IAT Breakout Harnesses WAMAF30-60

Harness Extension, 60 in. MAF Sensor Harness, 40 in. IAT Sensor Harness, Chevrolet, LS3, Each

Part Number: ICB-WAMAF30-60

Not Yet Reviewed

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

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