These Holley HP EFI engine control units allow you to control the fuel and ignition of your engine, along with additional controls for nitrous, boost or water methanol. 

* Eight sequentially driven 8:2 peak and hold injector drivers, capable of driving up to 16 low or high impedance injectors as a standard feature

* Eight channel distributorless Ignition (DIS) outputs capable of directly driving "Smart" ignition coils or Holley DIS coils

* Integrated single channel wide band oxygen sensor control. Works with NTK or Bosch sensors. More channels can be added via CAN bus

* Internal data-logging standard with a huge 2GB of memory

* 4 Stage progressive nitrous control

* Turbo boost control

* Integrated water/methanol injection control

* Self-tuning fuel table strategy greatly simplifies tuning process

* Individual cylinder fuel and spark control allows you to unlock your engines potential

* Compatible with 4, 6, 8 cylinder engines

* Unique lb/hr based fueling strategy greatly simplifies tuning

* Advanced idle, closed loop, and enrichment strategies allow for very stable operation

* Fully potted and can be mounted in the engine compartment or interior

* Sealed automotive and marine grade connectors

* Allows for use of common OEM sensors as well as customer sensor calibration input

* Ignition Plug and Play with GM 24x and 58x LSx engines, GM HEI, Ford TFI, magnetic and hall effect trigger, and other ignition systems

* 1-5 Bar MAP sensor capability

* Two channel knock control sensor Inputs for both one or two wire knock sensors

* Dedicated fuel and oil pressure inputs

* Controls both stepper and PWM Idle Air Control (IAC) motors

* Speed density, Alpha-N, or combination fueling strategies

* 4 Programmable high or low pulse width modulated (PWM) outputs and 4 fully configurable inputs can be configured for use

* Lean or rich safety cutoff