EFI Engine Management

The Terminator X Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting up to 1500 HP naturally aspirated or 1250 HP on forced induction applications. The Terminator X ECU is capable of fuel map self-learning and...

For use on 1999-2004 4.6L and 5.4L 2-valve engines Tired of jumping through hoops and having to play tricks with the factory ECU?  Welcome to a better way.  Is you cam too wild?  Power Adders?  Bring'em on.  Holley EFI has got...

For use on 1999-2004 4.6L and 5.4L 4-valve engines Tired of jumping through hoops and having to play tricks with the factory ECU?  Welcome to a better way.  Is you cam too wild?  Power Adders?  Bring'em on.  Holley EFI has got...

Complete Pro-M EFI system with choice of wideband and calibration from Pro-M. Please enter model year and engine specs above. Wideband options above: Innovate MTX-L singe wideband (best for turbo applications with single downpipe) or Innovate...

Complete Pro-M EFI system with choice of wideband and calibration from Pro-M. Please enter model year and engine specs above. Wideband options above: Innovate MTX-L singe wideband (best for turbo applications with single downpipe) or Innovate DLG-1...