Stamp #027 takes place in Sandpolis. In order to gain it, the protagonist has to beat Johnny at his Drag Race. Johnny can be found in the Wild West Town near Sandpolis. Find his house and he'll ask you to race him. The race is straight forward, just drive your fastest down the main road in the Wild West Town. Use your Jet Turbine at all times because you cannot waste them in this race. Having the Jet Turbines usually guarantees a win.