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Holley Main Harness for GM LS1, LS6 Engines w/Holley HP or Dominator EFI (24X Crank Reluctor)

510-558-102

made in usa

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Main Harness for GM LS1, LS6 Engines w/Holley HP or Dominator EFI (24X Crank Reluctor)
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$563.95
5 left in stock
Main Engine Harness
  • Fits 1997-2004 GM LS1, LS6 Engines
  • For Holley HP or Dominator EFI
  • 24X Crankshaft Reluctor
  • 4X Camshaft Sensor
  • Length 72 in.
  • Plug-and-Play
  • Free Shipping - Ships
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    Items You May Also Consider

    I’m wanting to ls swap my 97 s10 with a 2004 5.3 will my computer from the 04 5.3 work?

    Asked by: Caleb
    The Holley 510-558-102 harness does not fit factory engine ECU's.
    Answered by: jshook
    Date published: 2023-06-07

    I have 5.3 out of 1999 Sierra gmc that I'm going to lsa swap. Will this harness work as long as I get an hp ecu or do I need the 58x

    Asked by: Jory
    This harness will work with the proper ECU and matching reluctor.
    Answered by: Rusty B
    Date published: 2018-08-01

    Will this work with a cable drive throttle body

    Asked by: Jory
    Yes, you can use this with a standard style throttle body.
    Answered by: Rusty B
    Date published: 2018-06-26

    Can I use this harness with a 5.3 lm7

    Asked by: Jory
    This will work with any LS1 series engine.
    Answered by: Rusty B
    Date published: 2018-05-02

    Will this harness work for a boosted 5.3

    Asked by: Jory
    Yes that will, but it is made to be used with an holley ECU.
    Answered by: BrandonJ
    Date published: 2018-04-28
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