Automotive Wiring Accessories

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

Part Number: SUM-RP21529

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

Part Number: SUM-RP21531

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

Part Number: SUM-RP21523

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

Part Number: SUM-RP21538

5.0 out of 5 stars ( 1 )

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

Part Number: SUM-RP20640

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

Part Number: SUM-RP21524

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Engine Harness, HEI, Auto Transmission, Restoration, With Gauges, Big Block, Chevy, Each

Part Number: SUM-RP20641

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Wiring Harnesses, Factory-Fit, Engine Harness, 396 Big Block Chevrolet Engines with Factory Gauges, HEI, Chevrolet, Each

Part Number: AWW-CH60305H

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Estimated Ship Date: Apr 13, 2026 if ordered today

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Wiring Pigtail, HEI Power Input, 1 Pin, GM, Each

Part Number: PCO-5663PT

5.0 out of 5 stars ( 5 )

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Engine Wiring Harness, HEI Upgrade, 1974 Chevy/GMC Truck, C-10, V/8, 454 C.I, With Gauges, Each

Part Number: SUM-RP22811

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

Part Number: SUM-RP21527

1.0 out of 5 stars ( 1 )

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

Part Number: SUM-RP21526

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

Part Number: SUM-RP21534

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HEI TachometerWire, 1961-67 GM Cars, 18 GA Brown Wire, 72" Long W/HEI Connector and Twin Lock Term For Bulk Head, Converting to HEI, Each

Part Number: SUM-RP24947

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1970 GTO, Engine Harness, V8, Auto trans, No HEI, Restoration, Pontiac, Each

Part Number: SUM-RP20609

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Wiring Pigtail, HEI Tachometer Output, 1 Pin, GM, Each

Part Number: PCO-5664PT

4.7 out of 5 stars ( 10 )

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HEI & Tach Repair Pigtail, Original GM Colors and Gauge Sized Wire, Original GM Connector, 12.5" Wire length,Best Quality, Each

Part Number: SUM-RP24944

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

Part Number: SUM-RP21536

1.0 out of 5 stars ( 1 )

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

Part Number: SUM-RP21537

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

Part Number: SUM-RP21530

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

Part Number: SUM-RP21535

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

Part Number: SUM-RP21532

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HEI Power Feed Wire, 1961-67 GM Cars, 12 GA Pink Wire, 48.5 " L With HEI Connector and Twin Lock Term To Add To Bulkhead For Power, HEI Conversion, Ea

Part Number: SUM-RP24945

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HEI Power Feed Wire, 1968-74 GM Cars, 12 GA Pink Wire, 48.5 " L With HEI Connector and Male BlD Term To Add To Bulkhead For Power, HEI Conversion, Ea

Part Number: SUM-RP24946

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HEI TachometerWire, 1968-74 GM Cars, 18 GA Brown Wire, 72" Long W/HEI Connector and Male Blade Term For Bulk Head, Converting to HEI, Each

Part Number: SUM-RP24948

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