Wiring Harness Adapters and Extensions

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: Today

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

Part Number: TSN-81032

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: CEI-108097

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

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: Today

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

Part Number: CEI-108199

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: CEI-108161

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

LS D510C D581 D585 D514A Ignition Coil to LS1 D580 Wire Harness Adapter

Part Number: ICB-WAC0I40X8

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Wiring Pigtail, MAP Sensor, 3-pins, Each

Part Number: FST-308031

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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FAST LS2/LS7 CRANK PICKUP ADP.HARNESS

Part Number: FST-301416

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Estimated Ship Date: Apr 27, 2026 if ordered today

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IGN ADAPTER HARNESS, GM LT1 LONG CONNECT

Part Number: FST-301304

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Estimated Ship Date: Apr 27, 2026 if ordered today

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IGNITION ADAPTER, FAST HALL EFFECT

Part Number: FST-301301

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Estimated Ship Date: Apr 27, 2026 if ordered today

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IGNITION ADAPTER HARNESS, FAST GM HEI

Part Number: FST-301302

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Estimated Ship Date: Apr 27, 2026 if ordered today

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