Holley EFI Terminator X Max – Universal MPFI Kit

Holley EFI Terminator X Max – Universal MPFI Kit

The Holley EFI Terminator X Max – Universal MPFI Kit is a powerful, user-tuneable engine management system designed for domestic V8 engines. It offers plug-and-play control for conventional pushrod Chevrolet and Chrysler engines, delivering advanced self-learning fuel strategies and high-performance features at a budget-friendly price. This kit includes a 3.5″ touchscreen handheld for easy tuning and diagnostics, making it ideal for street or race applications.

Key Features

• Plug-and-play control for domestic V8 engines with EV1 injector harness
• Integrated 1bar MAP sensor with vacuum hose adapters; supports external MAP sensor for boosted setups
• High impedance injector drivers compatible with most stock and Holley EFI injectors
• Supports boost control, progressive nitrous, and advanced ignition timing
• Includes GM DBW throttle body and 4L60E/4L80E transmission control harnesses
• 4 programmable inputs/outputs for fans, boost solenoids, nitrous activation, and more
• Bosch LSU 4.9 wideband support for precise AFR tuning
• Onboard diagnostic LEDs for quick engine status checks
• Compact ECU size for flexible mounting options
• Free Holley EFI software for laptop tuning and data logging
• Supports E85 fuel, knock retard, coil-per-cylinder ignition, and individual cylinder fuel corrections

Fitment

• Conventional pushrod Chevrolet and Chrysler domestic V8 engines
• Compatible with GM 4L60E and 4L80E transmissions

Note: Verify compatibility with your specific engine and vehicle before ordering. Installation requires basic wiring knowledge and tuning experience. Fuel injectors, distributor, fuel pump, and other components are not included.