Wiring Harness Adapters and Extensions

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

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

Wiring Pigtail, MAP Sensor, 3-pins, Each

Part Number: FST-308031

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Dec 9, 2025 if ordered today

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IGNITION ADAPTER, FAST HALL EFFECT

Part Number: FST-301301

Not Yet Reviewed

Estimated Ship Date: Dec 9, 2025 if ordered today

• Drop Ship
• Special Order