Holley MSD Ultra 6AL Ignition Control - Red

Specs:
Current Draw: 0.8 Amps per 1,000 RPM
Features: Rev Limiter
Primary Voltage: 520-540 Volts
RPM Range: 15,000 RPM with 14.4 Volts
Secondary Voltage: 45,000 Volts
Spark Energy: 135mJ - 150mJ Per Spark
Voltage Required: 12-15 Volts, 7 Volt Start
Part Number: 6423

Features:
High conversion efficiency ensures minimal heat generation and maximum spark energy output with less current draw from the battery - (Highly efficient Ignition, minimum heat and max spark energy with less current draw)
High RPM operation and maximum output using the Blaster HVC, PN 8252 or HVC II, PN 8253
Powerful capacitive discharge of multiple sparks improves performance
Consistently high spark energy of 135mJ to 150mJ for every firing, from idle to redline RPM
Increase spark series duration lasts for 18 of crankshaft rotation
Easily installs on 4, 6, 8-cylinder engines with distributors
Operates on most 7 to 28 volt electrical systems
Connects to points, magnetic pickups, and Hall/Crank Input distributors
Bluetooth connectivity to Mobile app interface for settings and monitors
MSD CAN communication for easy connectivity to MSDView using a CAN MSD Hub and Power Grid USB or CAN-USB Bridge 89982 product
Fully protected against an open coil, shorted coil & open load
Compact design full MSD power
Quickens throttle response & improves starting
Tach Output
Launch, Burnout, and Step Retard activation inputs available. This ignition box has a built-in tri step RPM rev limit controlled by the mobile app
Mobile app available settings: Cylinder selection, Step retard value, Launch RPM value, Burnout RPM value, Max (Race) RPM Value, Start retard value
Programmable Step Retard: On Ramp time, Off Delay, Off Ramp Time, Engine RPM for activation
Programmable Start Retard: 0, 10, 20 degrees
Alerts and monitors available
High level of security connection from phone to Ignition box (encryption) including sequence in push button implementation
Maximum programmable retard of 30 degrees

Emissions 
This part is legal for use on Uncontrolled (Non-Emissions Controlled) Vehicles or Racing Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

1965 and older U.S. manufactured California Certified vehicles
1967 and older U.S. manufactured Federally Certified vehicles
1967 and older Foreign manufactured vehicle
Racing Vehicles are vehicles that are used exclusively for racing or other forms of competition that are not registered and that may never be used on the street.