Wiring Harnesses

Wiring Harnesses, Holley EFI, LS2/3/7, 58X/4X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 6.0-7.0L, Each

Part Number: HLY-558-134

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Wiring Harness, Highway 22 Trunk Mount, 22-circuit, Extra-long, Each

Part Number: AWW-500839

5.0 out of 5 stars ( 6 )

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Wiring Harness, Sensor Harness Extension, 24 in. Length, LS Gen 3 Throttle Position, Coolant, Oil Pressure Sensor, Each

Part Number: ICB-WETPS30-24

5.0 out of 5 stars ( 2 )

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Wiring Harness, Emissions Controls, Extra-Long, Trucks, LS, Universal, Each

Part Number: PRF-60323

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Retro Series (Cobra/ Carb)

Part Number: RFW-WR730

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Estimated Ship Date: May 21, 2026 if ordered today

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Wiring Harness, Extension, 24 ft. Length, 10-Circuit, Each

Part Number: SUM-890047

5.0 out of 5 stars ( 1 )

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Wiring Harness, ProComp, 10-circuit, Extra-long Length, Front Fuse Block, ATO/ATC Fuse Style, Column Connectors, Kit

Part Number: KCW-10537

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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DOOR WIRING KIT

Part Number: RFW-IS30

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Wiring Harness, Emissions Controls, Extra-Long, F-Body, LS-1, Each

Part Number: PRF-60325

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Wiring Harness, Emissions Controls, Extra-Long, MAF, TPI, Universal, Each

Part Number: PRF-60313

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Wiring Harness, Emissions Controls, Extra-Long, Vortec, Universal, Each

Part Number: PRF-60321

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Wiring Harness, Emissions Controls, Extra-Long, MAP, TPI, Universal, Each

Part Number: PRF-60315

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Wiring Harness, ProComp, 18-circuit, Extra-long Length, Front Fuse Block, ATO/ATC Fuse Style, Column Connectors, Kit

Part Number: KCW-10539

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Dome Light Kit, Harness with 1004 Bulb, Kit

Part Number: RFW-EX5

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Estimated Ship Date: May 21, 2026 if ordered today

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LONG WIRE HARNESS OPTION

Part Number: RFW-LW99

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Estimated Ship Date: May 21, 2026 if ordered today

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Wiring Harness, ProComp, 10-circuit, Extra-long Length, Front Fuse Block, ATO/ATC Fuse Style, Kit

Part Number: KCW-10535

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 27, 2026 if ordered today

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