Harbor Freight lists the Predator 212cc Ghost Kart Racing Engine at $329.99 on its website. Members of Harbor Freight's Inside Track Club could save $30, which, for now, covers the membership fee ...

With a stock Predator 212, the little Insight accelerated from 0 to 30 in a leisurely 25 seconds, with a top speed of 39 mph. That's not bad for something with only 6.5 horsepower. Robot Cantina ...

A third 212cc engine is made for your go-kart and doesn't advertise itself as 6.5 hp like the other two. User reviews note it could reach 11.8 hp, so it seems you'll get some kick out of it.

Harbor Freight makes it pretty clear that the Predator 212cc Ghost is intended for racing. If you forget, you'll be reminded again whenever you add the engine to your online shopping cart as you ...