Ultra 7Al For Racers That Need Serious Spark Output, The Ultra 7Al Is The Right Choice. Offering High Voltage With Four Step Retards, Three Rev Limits, And Two Rpm Switch Outputs, The New 7Al Checks All The Boxes MSD IgnitionFor racers that need serious spark output, the new ULTRA 7AL is the right choice. Offering Industry Leading Spark Energy Output in a compact, and efficient package. The Ultra 7AL includes four step retards, three rev limits, and two RPM activated switch outputs. The ULTRA 7AL also features two different power output settings that can be used for on the fly changes which are perfect for drag and drive applications! All features are adjusted using plug