This new style Dyna-Ski belongs to the Shawano Ski Sharks. The 20' hull is drilled for the wider Big Block engines although this boat "only" has triple 150's for this season. Livorsi Controls with Telelflex Extreme Cables. GPS Speedometer. The boat will have a counter rotation lower unit although it was not on the engine when the pictures were taken. Check out the mounting location of the KW Custom Rope Guard. Steering Cylinder on each outside engine with two tie bars. Note the stainless steel eye bolts for pulling the "big" acts.