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Holley EFI

  • Holley Terminator X for Gen II GM 1992-1997 LT1 and LT4 Engines

    EFI 24xâ„¢ Conversion Kits from EFI Conversions allow you to use the Holley EFI Terminator X system to update your GM Gen II LT1 and LT4 engines, bringing them up to modern-day conveniences such as tuning without proprietary, decades-old tools, coil per cylinder ignition, and much more.Â