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Holley 550-603

HP EFI ECU & Harness Kit GM LS2

Holley 550-603

510-550-603

made in usa
jegs shipping
FREE Shipping
Estimated ship date 10/31/17 if Ordered Today
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Holley 550-603 HP EFI ECU & Harness Kit GM LS2 $1,766.95
HP EFI ECU & Harness Kit
  • GM LS2
  • Uses Factory GM Coil Harnesses

  • Holley 550-603 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.

    Click here for Holley HP Inline Fuel Pumps

    Click here for Holley Dominator Inline Fuel Pumps

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