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 complete engine management system designed for domestic V8 engines. It offers advanced self-learning fuel strategies, boost and nitrous control, and full transmission integration for 4L60E/4L80E automatics, making it ideal for street and race applications seeking reliable, budget-friendly power upgrades.

Key Features

• Plug and play control for domestic pushrod Chevrolet and Chrysler V8 engines
• Includes EV1 injector harness and 4L60E/4L80E transmission control harness
• Built-in 1bar MAP sensor with vacuum hose adapters; supports external MAP sensor for boost applications
• Supports high impedance injectors and Bosch LSU 4.9 wideband O2 sensor for precise tuning
• Advanced boost control with multiple trigger strategies and safeties
• Wet and dry nitrous control with progressive and multi-stage options
• 4 programmable inputs and outputs for accessories like electric fans and trans brakes
• Includes 3.5″ touchscreen handheld with calibration wizard, data logging, and customizable gauges
• Compatible with Holley EFI accessories including gauges, shift lights, and digital dash modules
• User-tuneable with free Holley EFI software for laptop tuning and diagnostics

Fitment

• Universal fit for domestic V8 engines with multi-port fuel injection
• Supports GM 4L60E and 4L80E automatic transmissions

Note: Verify compatibility with your engine and vehicle before ordering. Fuel injectors, fuel pump, and other hardware are not included. Proper installation and tuning are required for optimal performance.