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Holley EFI 550-903 TERMINATOR X MPFI, LS1

Original price was: $1,343.96.Current price is: $765.68.

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SKU: HOL550-903 Category:

Terminator X LS1 MPFI System; Engines w/24x Crank Reluctor/1X Cam; w/EV1 Injectors; Incl. TBI Unit/ECU/Bosch O2 Sensors/3.5 in. Touch Screen; Black;


Take control of your LS engine with Terminator X! Don’t settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies and the proven, race-winning technology of Holley EFI at a budget-friendly price!

  • Real Time Fuel Map
  • High Impedance Injector Drivers
  • Nitrous Control
  • Plug and Play Main Harness
  • Free EFI Tuning Software