Holley EFI Tuning Software

Browse all supported Holley EFI tuning software. Find the right driver for your specific Holley product and ARM device.

Holley HP EFI

Holley Performance Products

Holley HP EFI is a professional-grade engine management system designed for serious racing and performance applications with advanced tuning capabilities.

Professional-grade ECUSequential fuel injectionCoil-on-plug ignition

Holley Dominator EFI

Holley Performance Products

Holley Dominator EFI is the ultimate engine management system offering unlimited tuning potential for the most demanding racing applications.

Unlimited I/O expansionAdvanced traction controlBoost by gear/time

Holley EFI

Holley Performance Products

Holley EFI is a comprehensive electronic fuel injection tuning software that allows users to configure and optimize their Holley EFI systems for maximum performance.

Real-time data loggingSelf-learning fuel tablesWide-band O2 sensor support

Holley Sniper EFI

Holley Performance Products

Holley Sniper EFI software provides easy-to-use tuning capabilities for the popular Sniper throttle body EFI systems, perfect for carb-to-EFI conversions.

Self-tuning capabilityHandheld controller supportFuel map editing

Holley Terminator X

Holley Performance Products

Holley Terminator X tuning software offers advanced control for LS and LT engine management with plug-and-play harnesses and intuitive interface.

LS/LT engine supportDrive-by-wire throttle controlVariable cam timing control

Holley Terminator X Max

Holley Performance Products

Holley Terminator X Max delivers the ultimate LS/LT engine control with expanded I/O, dual wide-band support, and advanced transmission tuning.

Dual wide-band O2 supportExpanded I/O capabilityAdvanced transmission tuning

Holley Terminator X LF

Holley Performance Products

Holley Terminator X LF is the streamlined LS/LT engine management system with essential I/O for budget-conscious builds, tuned through the same Terminator X software.

LS/LT plug-and-play harnessesDrive-by-wire throttle controlSelf-learning fuel maps

Not Sure Which Driver You Need?

All Holley EFI products use the same underlying driver technology. Select your specific product above to get customized installation instructions and support.

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