The Ultra 6AL Plus features boost dependent timing control up to 400 kPA (58 PSI / 4 BAR internal sensor), making it the ultimate ignition box for moderately boosted vehicles utilizing a blow-through or draw-through carburetor. Program through the "MSD Ultra 6AL" app or MSDView software via the integrated USB port. Programmable timing curves in 2D Plots or 3D tables (RPM vs Timing vs MAP Pressure) - you can plot the 3D graph and edit a table 20x20 either from Mobile app (phone) or from MSDView (laptop). Mobile app available settings: Step retard value, Launch RPM value, Burnout RPM value, and Max (Race) RPM Value. The new ground-breaking Ultra 6AL Plus delivers full MSD power in a compact, feature dense, and lighter package!