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                Standalone Engine Management, at a budget price. Plug and Play with LS1 - LQ4 - LQ9 - L33, or any other Junkyard LS Hero, or Crate Engine!

                Terminator X and Terminator X Max. Two powertrain management systems from Holley that offer plug and play control for most LS engines starting at just $999. Why settle for a junkyard ECU with a cumbersome aftermarket tuning interface when you can get complete control of your engine, self-learning fuel strategies and the proven, race winning technology of Holley EFI for under a grand!

                Terminator X & XMAX LS (10)

                HOLLEY EFI 550-920 TERMINATOR X MAX - GEN IV 4.8/5.3/6.0 GM TRUCK ENGINES AND LS2/LS3

                $1,783.95

                HOLLEY TERMINATOR X LS 550-910 58x / 4x - 4.8-5.3-6.0 Truck Engines and LS2-LS3 - EV1 Injector Harness

                $1,427.99
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