Article B8.2.1
Power Unit Conformity
Sporting Regulations
Article B8.2.1
Power Unit Conformity
Chapter: B8
In Simple Terms
Teams can only use power units (engines) in races if every part of that engine was approved by FIA officials when it was first introduced. This means all components must match what the team originally submitted and had checked off as legal.
- Only approved power units are allowed in races
- Every component must conform to the latest homologation dossier
- Parts must have been approved at the time they entered the race pool
- Teams cannot modify or substitute unapproved engine components
Official FIA Text
The only Power Unit that may be used at a Competition during the Championship is a Power Unit which is constituted only of elements that were in conformity, at the date they were introduced in the Race pool, with the latest submitted and approved homologation dossier.
power unitconformityhomologationengine componentsapproved parts
2026 Season Regulations