The Dallara IR9 chassis built for 1999 IRL season was continuous evolution of the first generation of Dallara Indycar chassis (IR7 and IR8 from 1997 and 1998) with various update kits. The cars were widely used by IRL teams along with G-Force chassis. Most of the Dallaras were powered by Aurora Oldsmobile V8, and few teams used alternative Nissan Infiniti V8 engines. Swede Kenny Brack, IRL champion of the 1998, continued to race for A.J. Foyt Enterprises in 1999. That season Brack achieved his major success winning Indianapolis 500 race and finished the season finished runner-up to Greg Ray.
|1999||Indy Racing League||Indy 500|
|Kenny Brack||14||A. J. Foyt Enterprises|
|Dallara IR9||Oldsmobile||Power Team|