INDIANAPOLIS (Friday, May 30, 2025) – INDYCAR has announced a six-position starting grid penalty for the entries of No. 9 Chip Ganassi Racing and No. 15 Rahal Letterman Lanigan Racing for unapproved engine changes prior to the Sunday, May 25 race at Indianapolis Motor Speedway.

Chip Ganassi Racing entry No. 9 was in violation of:

Rule 16.1.2.3.2. A fifth (5th) Engine is eligible to earn Engine Manufacturer points if a Full Season Entrant has completed the Full Season Entrant Engine Mileage with its first four (4) Engines. Otherwise, a fifth (5th) or more Engine does not earn Engine Manufacturer points and will be considered an Unapproved Engine change-out.

Rahal Letterman Lanigan Racing entry No. 15 was in violation of:

Rule 16.1.5.4. Once an Indianapolis 500 Mile Race Engine is fitted to the Car, removal prior to the Indianapolis 500 Race is an Unapproved Engine Change-Out, unless it is replaced for Repair.

According to Rule 16.1.6.1.2., the penalty is a six-position starting grid penalty on road and street course events and nine positions at oval events and will be served at the series’ next event, which is the Chevrolet Detroit Grand Prix presented by Lear Sunday, June 1 on the Streets of Detroit.