Automotive Wiring Accessories

Wiring Harness, 1964 Chevelle, Engine Harness-HEI, V8, With Gauges, Note: This Harness Is Modified For Use With An HEI Distributor, Each

Part Number: SUM-RP22423

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Engine Harness, HEI, Automatic Transmission, Restoration, Small Block, Chevy, Each

Part Number: SUM-RP20638

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Engine Harness, HEI, Auto Transmission, Restoration, Small Block, Chevy, Each

Part Number: SUM-RP20637

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Estimated Ship Date: Friday 1/2/2026

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

Part Number: CEI-108097

3.73 out of 5 stars ( 15 )

Estimated Ship Date: Friday 1/2/2026

Wiring Harnesses, HEI Engine Wiring Harness, OEM Replacement, Reproduction, Chevy, Each

Part Number: SUM-RP21525

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Estimated Ship Date: Friday 1/2/2026

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

Part Number: CEI-108199

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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

Part Number: CEI-108161

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

Wiring Harnesses, HEI Engine Wiring Harness, OEM Replacement, Reproduction, Chevy, Each

Part Number: SUM-RP21531

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Estimated Ship Date: Friday 1/2/2026

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Engine Harness, 1955 Chevy Passenger, V8, Manual Trans, With H.E.I, Each

Part Number: SUM-RP23231

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Estimated Ship Date: Friday 1/2/2026

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Engine Harness, 1957 Chevy Passenger, V8, Auto Trans, With H.E.I, Each

Part Number: SUM-RP23236

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Estimated Ship Date: Friday 1/2/2026

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Wiring Harnesses, HEI Engine Wiring Harness, OEM Replacement, Chevy, Each

Part Number: SUM-RP21537

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Estimated Ship Date: Friday 1/2/2026

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Wiring Harnesses, HEI Engine Wiring Harness, OEM Replacement, Reproduction, Chevy, Each

Part Number: SUM-RP21530

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Estimated Ship Date: Friday 1/2/2026

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1971 Chevelle , Engine Harness-HEI , Small Block , With Automatic Transmission , Restoration , Chevrolet , Each

Part Number: SUM-RP20651

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Estimated Ship Date: Friday 1/2/2026

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Engine Harness, 1955 Chevy Passenger, V8, Auto Trans, With H.E.I, Each

Part Number: SUM-RP23232

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Estimated Ship Date: Friday 1/2/2026

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Engine Harness, 1956 Chevy Passenger, V8, Manual trans, With H.E.I, Each

Part Number: SUM-RP23233

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Estimated Ship Date: Friday 1/2/2026

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Engine Harness, 1956 Chevy Passenger, V8, Auto Trans, With H.E.I, Each

Part Number: SUM-RP23234

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Estimated Ship Date: Friday 1/2/2026

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Engine Harness, 1957 Chevy Passenger, V8, Manual Trans, With H.E.I, Each

Part Number: SUM-RP23235

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Estimated Ship Date: Friday 1/2/2026

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Engine Wiring Harness, HEI Upgrade, 1974 Chevy/GMC Truck, C-10, V/8, 350 C.I, With Auto Trans, With Gauges, Each

Part Number: SUM-RP22808

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Estimated Ship Date: Friday 1/2/2026

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Engine Wiring Harness, 1978 Chevy/GMC Truck, C-10, V/8, 305, 350, 400 C.I, Each

Part Number: SUM-RP22810

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Estimated Ship Date: Friday 1/2/2026

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Engine Wiring Harness, HEI Upgrade, 1974 Chevy/GMC Truck, C-10, V/8, 350 C.I, Manual Trans, Without Gauges, Each

Part Number: SUM-RP22812

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Estimated Ship Date: Friday 1/2/2026

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Wiring Harnesses, Factory-Fit, Engine Harness, HEI, Each

Part Number: AWW-CH48122H

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Wiring Harnesses, Factory-Fit, Engine Harness, Chevrolet, 5.0L, 5.7L, Each

Part Number: AWW-CA11922H

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Estimated Ship Date: Feb 17, 2026 if ordered today

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Wiring Harnesses, Factory-Fit, Engine, Models with Special 327 C.I.D. and Warning Lights, Use with HEI, Standard Length, Chevy, Each

Part Number: AWW-CH60482H

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Estimated Ship Date: Feb 20, 2026 if ordered today

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Wiring Harnesses, Factory-Fit, Engine, Models with Small Block, Warning Lights, and Idle Stop Solenoid, Use with HEI, Standard Length, Chevy, Each

Part Number: AWW-CH97632H

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Estimated Ship Date: Feb 18, 2026 if ordered today

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Wiring Harnesses, Factory-Fit, Engine, Models with Small Block, Warning Lights, Idle Stop Solenoid, Use with HEI, Standard Length, Chevy, Each

Part Number: AWW-CA97636H

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Estimated Ship Date: Feb 18, 2026 if ordered today

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