Wiring Harnesses

Wiring Harnesses, Holley EFI, LS1/6, 24X/1X, Main Harness, Plug-and-Play, Extended Length, for Dominator/HP EFI Systems, Chevy, 4.8-6.0L, Each

Part Number: HLY-558-133

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FT450/550 4 CYLINDER A HARNESS

Part Number: FCH-2002006505

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Estimated Ship Date: Jan 26, 2026 if ordered today

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FT450/550 6 CYLINDER A HARNESS

Part Number: FCH-2002007385

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Wiring Harness, Engine, Chevy, Each

Part Number: OPG-41557

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Estimated Ship Date: Apr 8, 2026 if ordered today

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