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Holley 550-603 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems



Holley 550-603 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems

JEGS Part Number: 510-550-603

HP EFI ECU & Harness Kit
  • GM LS2
  • Uses Factory GM Coil Harnesses
  • $1,722.95
    Ships 08/05/16
    if Ordered Today
    FREE Shipping

    Holley 550-603 - Holley HP EFI 4bbl Throttle Body Fuel Injection Systems Details

    ECU & Harness


  • HP EFI; ECU And Harness Kit

  • Specifications:

    Quantity
    Sold individually
    Manufacturer's Part Number:
    550-603

    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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