Holley 558-102: 558-102 Main Harness for GM LS1, LS6 Engines w/Holley HP or Dominator EFI (24X Crank Reluctor)
https://eltopospeedshop.com/shop/hly-558-102-holley-558-102-558-102-main-harness-for-gm-ls1-ls6-engines-w-holley-hp-or-dominator-efi-24x-crank-reluctor-12378
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LS1/LS6
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
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Shipping: 2-3 Business Days