The MSD Ultra 7AL ignition box is a high-output, compact upgrade designed to deliver powerful multi-spark performance in demanding racing environments. As the successor to the 7AL2 and 7AL3, it features selectable energy levels, alternating current energy transfer for improved efficiency, and cooler coil operation while providing longer spark duration and stronger spark at the plug. With capabilities like four step retards, three rev limiters, and two RPM-activated outputs, the Ultra 7AL offers precise control over ignition timing and engine performance across a wide range of conditions.

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Built with versatility in mind, the Ultra 7AL supports multiple nitrous stages, adjustable start retard for easier cranking, and compatibility with various coils—especially MSD’s recommended high-performance options for maximum output and diagnostics. Additional features like a diagnostic LED system and plug-in modules for easy tuning make it a powerful and user-friendly solution for racers looking to optimize performance, protect their engine, and maintain consistent ignition control at every stage of operation. Watch the full video to see all the features in action and learn how to get the most out of your Ultra 7AL setup.