Tag Archives: 550-903t

Holley-550-903T-Terminator-X-LS1-MPFI-Kit-01-zoy

Holley 550-903T Terminator X LS1 MPFI Kit

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! Terminator X features real-time fuel learn, high impedance injector drivers, an integrated 1bar MAP sensor, and

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