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Holley 550-603

HP EFI ECU & Harness Kit GM LS2

Holley 550-603

Part Number: 510-550-603

HP EFI ECU & Harness Kit
  • GM LS2
  • Uses Factory GM Coil Harnesses
  • $1,722.95
    Ships 11/01/16
    if Ordered Today
    Made In USA
    FREE Shipping
    Holley 550-603 HP EFI ECU & Harness Kit GM LS2 $1,722.95

    Holley 550-603 Details

    ECU & Harness

  • HP EFI; ECU And Harness Kit

  • Specifications:

    Sold individually
    Manufacturer's Part Number:

    Replace your carburetor with a "Bolt on and Go" TBI system that also allows you to tune as well HP EFI throttle body kits are a direct replacement for a square flange carburetor. Plug and play connectors make installation a snap and by utilizing a laptop (or the optional 5.7" full color touch screen LCD) along with the HP's self-tuning capabilities, you will be up and running in no time. Come with most all parts necessary for a complete installation including throttle body, ECU, wiring harness and sensors. Fuel pump available separately to fit your requirements.

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