LS Gen 4 58x DBW Standalone Harness

Base Price: $589.00

Swap Specialties Gen4 58x standalone wiring harnesses are the nicest on the market today. We make the harness form fit your engine for the cleanest and most professional look and operation. Each harness is hand built to fit perfectly and then actually engine run tested and computer checked before we ship it out to you. It comes fully labeled and with step-by-step installation instructions for simple and quick installation. The weatherproof and compact fuse and relay box make life really simple and protects everything all in 1 place.

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Lead Times are Currently: 2-3 weeks

Choose your platform options below and let us know if we can customize anything for you!

  • Options

  • What ECM do you or are you running?
  • << Comes with Brand new OEM O2 sensors and Mass Airflow Sensor

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Swap Specialties 58x Standalone wiring harness for GM Gen3  4.8, 5.3, 6.0, and 6.2L Engines has many different options, to suit your build. We hand build every harness to fit exactly what your project needs. We use the highest quality TXL wire, brand new OEM connectors, weatherproof fuse and relay box, and finish it off with a multitude of covering options. Each harness is then tested on an actual engine dyno and double pinned to assure 100% thoroughly checked. With the best Warranty, tech support, and quality be assured your wiring will offer to be one of the best investments for your project. Use the selections to build your custom harness, or feel free to give us a call and we would love to personally walk you through your build.