Harbor Freight offers two versions of the Predator 212cc engine. Here’s how much horsepower the Ghost version produces and whether it’s a Hemi.

Twice the engines for twice the fun, this vintage Hartman sprint kart has a current high bid of just $3,200.

The Predator 212cc engine has a good reputation among Harbor Freight customers for being an affordable source of power, but how much HP will it provide?

Honda’s electric go-karts pack a race car’s spirit into a tiny EV These fun vehicles will hit 45 mph—and have more in common with real open-wheel race cars than you might think. Kristin Shaw ...