• Launch, Burnout, & Step Retard

Breakdown of Included Items

Control Box Dimensions

MSD 64233 Ultra 6AL Ignition Control Box Features:

• Wirelessly (Bluetooth) controlled from a smartphone or tablet via the “MSD Ultra 6AL” app
• Mobile app features and settings:
  • Built-in tri-step RPM limit capability for launch, burnout, and activating step retard
  • Programmable step retard of up to 30 degrees for on-ramp time, off delay, off-ramp time, and engine RPM for activation
  • 0, 10, & 20 Degree start retard selections
  • High-speed timing retard adjustment for boost or nitrous
  • Detects an open/shorted coil or an open load
  • High-level secure connection from phone to ignition box
• Minimal heat generation and maximum spark energy output with less current draw
• Powerful capacitive discharge of multiple sparks quickens throttle response & improves starting
• High-spark energy of 135mJ to 150mJ from idle to redline
• Auto-detection and max spark output of 150mJ with either MSD HVC 8252 or HVC-2 8253 ignition coils (each sold separately)
• Spark series duration lasts for 18 degrees of crankshaft rotation
• Built-in color LED for system checks and troubleshooting
• Operates on most 7 to 28-volt electrical systems
• Compatible with points, magnetic pickups, & hall effect/crank input distributors on 4, 6, & 8 cylinder engines
• Protected against an open/shorted coil or an open load
• Tach output

App Links

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART