Shifting Gears

Aaron Kaufman sets his sights on an a '71 International Scout to turn it into a street-legal Ultra 4 race car for the legendary King of the Hammers.

Aaron Kaufman and his team rush to get the International Scout ready for the King of the Hammers race. However, with fuel leaks, redoing the fenders and the car not starting, problems throw a major wrench in the plan.

Aaron Kaufman and his team of builders barely make it to King of the Hammers in California, where they will put their '71 International Scout to the ultimate test of rock and desert racing.

Aaron Kaufman takes on a new challenge to build a semi-race truck. He brings on experts in the field of semi-truck racing, Bob Ball and his son Justin, to raise the horsepower to the maximum.

Aaron Kaufman and his Arclight builders struggle to finish their semi-truck in time for race day at Pike's Peak International Raceway. As things go wrong, this crew might not have what it takes to make it to the start.

Aaron Kaufman starts his racing adventure at Pikes Peak International Raceway in Colorado Springs. As he competes in multiple races with a truck that is literally falling apart, it's questionable if he'll be able to finish.