Shifting Gears With Aaron Kaufman

Aaron Kaufman checks out a '71 International Scout to transform into a street legal Ultra 4 race car and compete in the legendary King of Hammers.

Aaron and his team rush to get the International Scout ready in time for King of the Hammers. But a series of problems, from redoing the fenders to leaks threaten plans.

Aaron and his crew barely reach King of the Hammers in California. Can their '71 International Scout beat the pros in the ultimate test of rock and desert racing?

Aaron takes on a challenge to build a Semi-Race Truck. He brings on experts in the field, Bob Ball and his son Justin, to bring the horsepower to the max.

The clock is ticking as Aaron and the team struggle to finish their truck for the Pikes Peak race. Do they have what it takes to get to the starting line?

Aaron is at Pikes Peak International Raceway in Colorado Springs competing multiple races - but his truck is falling apart. Will he be able to finish the event?