Wiring Harness Adapters and Extensions

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

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

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

Part Number: CEI-108199

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

IGN ADAPTER HARNESS, GM LT1 LONG CONNECT

Part Number: FST-301304

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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IGNITION ADAPTER HARNESS, FAST GM HEI

Part Number: FST-301302

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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