When he reached 18 years old Busch signed with Hendrick Motorsports and won his first Automobile Racing Club of America event at Nashville Speedway.
Busch qualified for the Nascar Nextel Cup Series races and due to his perfomances at the team he was selected by the owner of the Hendrick Motorsports team, Rick Hendrick, to replace the two-time champion Terry Labonte in the No. 5 Chevrolet.
In the 2006 season Kyle Busch obtained a pole at Phoenix and won at New Hampshire International Speedway.
Kyle Busch started his career at the age of 12, but his first driving lessons came at the age of 6 years old in a makeshift go-kart. Busch spent his childhood next to his father and older brother in te family garage where he learned to build and repar race cars.
When he reached 10 years old the little Busch new already everything about cars and became the crew chief of his older brother’s dwarf car team. Shortly after he reached 13 years old Busch began officially his driving carrer.From 1999 to 2001 Busch won more than 65 races in the legends carat Las Vegas Motor Speedway.
Kyle’s potential was also seen by the Nascar team owners and on August 3, 2001, the 16 years old driver made his debut in the Nascar Craftsman Truck Series for Roush Racing at Indianapolis Raceway. Busch started the race on the 23rd place and finished on an impressive 9th position.But due to the fact that Nascar enforced age limitations Busch stopped driving in the Nascar until he reached 18 years old.
The young driver didn’t stop here. He moved at the American Speed Association circuit and ran the entire 2002 season. There he showed his talent again finishing in the top five for five races and in the top 10 for 10 races.