MSD Ignition 6421 - MSD 6-Series Ignition Boxes

MSD Ignition 6421 - MSD 6-Series Ignition Boxes

MSD Ignition #121-6421

Digital 6AL-2 Ignition Control
  • Built-In 2-Step Rev Limiter (no RPM modules)
  • Spark Energy: 135mJ (per spark)
  • $251.99 Ships
    MPG Installation Instructions for MSD Ignition 6421 - MSD 6-Series Ignition Boxes
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    MSD Ignition 6421 - MSD 6-Series Ignition Boxes

    MSD Ignition 6421 - MSD 6-Series Ignition Boxes Details

    6-Series Digital Ignition Controls

    MSD is excited to announce the next generation of 6-Series ignition controls - the 6AL-2! The all new ignition control combines a new housing, new digital controls and more power in a sleek package. Inside the new cast aluminum housing you'll find an advanced micro-controller that manages the timing and rpm of the ignition. The spark output of the new box has been turned up to 535 volts of primary voltage with spark energy reaching up to 135millijoules! The multiple sparks of the 6AL-2 burn in the cylinder for 20 degrees of crankshaft rotation to ensure complete combustion.Two more great features are the rev limits! There are two rev limiters; one for high end overrev protection and another you can activate off a clutch or transbrake to set a launch limit. This feature will help your car blast off the starting line! Adjustments are made via four rotary dials for 100 rpm increment control!The all new capacitive discharge ignition will easily connect to nearly any 12-volt negative ground distributor system.


    Features:
  • Built-in 2-step rev control (no RPM modules)
  • 100 RPM increment control using 4 rotary dials
  • All new housing and digital circuits
  • Accepts Hall Effect triggers
  • Managed by an efficient digital controller
  • 50-state legal

    Operating Specifications:
  • Spark Energy: 135mJ (per spark)
  • Primary Voltage: 535 volts
  • Secondary Voltage: 45,000 volts (Tested with Blaster HVC II Coil)
  • Spark Series Duration: 20° crankshaft rotation
  • RPM Range: 12,500 RPM with 14.4 volts
  • Voltage Required: 12 to 18 volts (negative ground)
  • Current Draw: 0.7 amp per 1000 RPM
  • Weight: 3 lbs.
  • Size: 7" L x 4" W x 2" H

  • MSD Ignition 6421 - MSD 6-Series Ignition Boxes


    The High-Powered MSD 6 Ignition Spark You Need at the Low Price You Want

    MSD 6-Series Ignition Control Boxes:
  • Deliver full-power multiple sparks
  • Capacitive discharge circuitry
  • Compatible with 4, 6 , and 8-cylinder engines
  • Trigger from breaker points, amplifiers, or magnetic pickups
  • Works on almost any vehicle with a 12 to 18 volt electrical system

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