Bottas signals aggressive Cadillac F1 upgrade

Bottas signals aggressive Cadillac F1 upgrade plan ahead

Valtteri Bottas struck an optimistic tone after Cadillac reached a first key early milestone in its fledgling campaign,... The post Bottas signals aggressive Cadillac F1 upgrade plan ahead appeared first on F1i.com.

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<p>Valtteri Bottas struck an optimistic tone after Cadillac reached a first key early milestone in its fledgling campaign,...</p> <p>The post <a href="https://f1i.com/news/561533-bottas-signals-aggressive-cadillac-f1-upgrade-plan-ahead.html">Bottas signals aggressive Cadillac F1 upgrade plan ahead</a> appeared first on <a href="https://f1i.com">F1i.com</a>.</p>

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technical Regulations

Art. C9.4

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Full Regulation Text

Technical Regulations

Article C9.4

FIA Source

Homologated Gearbox and Component Classification

Chapter: C9

In Simple Terms

Teams must get their gearbox and related transmission parts approved by the FIA before the season starts. They can make one upgrade during the four-year cycle, and can request approval for changes if needed for reliability, cost savings, or if materials become unavailable.

All driveline and gear-change components must be homologated (officially approved) before the season begins
Teams are limited to a single upgrade of these components during a four-year period
The FIA can approve modifications for reliability issues, cost reduction, or when materials are no longer available

Official FIA Text

Design of Driveline Components, Gear-Change Components and Auxiliary Components must be homologated before season start. Single upgrade permitted during four-year period. Modifications allowed for reliability, cost saving, or unavailable materials with FIA approval.

homologationgearboxdrivelinegear-changetransmission

2026 Season Regulations