The American Indycar Series (AIS) was an American open wheel racing series founded in 1988 by Bill Tempero. It utilized used chassis and engines from the CART series and the Indy Racing League. CART and IRL drivers Buddy Lazier, Jaques Lazier, Robby Unser, and Johnny Unser found success in the AIS. The series was reborn with new management in 2001-2002. A new management team formed United States Speedway Series (USSS), while a new AIS under different management conducted races as well. The USSS ceased racing after 2005; the AIS shut down after 2002.