Due to a massive power outage in the Erie PA area, all of our operations are shut down 9/3/2026. Our shop has no power, along with 27,000 other businesses and residences. We are still accepting orders and these will ship 9/4 - 9-7. Thanks for your patience.

Holley EFI

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

    by Mike Noonan

    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