Mercury - SmartCraft Pitot Sensor Kit 100 PSI Speed Input 8M0103315. Overview. Most Gen 5 Verado engines come with a pitot-style speed sensor already built in-but the 350 HP version is the exception. The Mercury 8M0103315 SmartCraft Pitot Sensor Kit fills that gap by adding a dedicated 100 PSI pressure sensor so the 350 HP Verado can send accurate, real-time speed data to SmartCraft gauges and VesselView displays. It's a simple, OEM add-on that gives the helm the same clean speed signal the rest