The NTT INDYCAR Series will shift the introduction of its new chassis and engine from "as early as 2027" to 2028, as first reported by RACER.

The current chassis used in INDYCAR is the Dallara IR-12, and the current engine is a 2.2-liter twin-turbo V6 from either Honda or Chevrolet.

For more information, visit indycar.com.