2003 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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

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Wiring Harness, Elite 2000/2500 GM Gen III LS1/LS6, DBW Reaady Terminated Harness, Each

Part Number: HTH-HT-141362

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Wiring Harness, Elite 2000/2500 GM Gen III LS1/LS6, Non-DBW Terminated Harness, Each

Part Number: HTH-HT-141360

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

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Wiring Harness, Fast XFI, ECU, Chrysler, Dodge, Hemi, Kit

Part Number: FST-301104

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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• Special Order