Article C15.7.5
Camshaft Manufacturing
Technical Regulations
Article C15.7.5
Camshaft Manufacturing
Chapter: C15
In Simple Terms
F1 camshafts must be made from iron-based alloy and carved from a single piece of material. Teams cannot weld different parts together to create the camshaft, ensuring all engines use consistently manufactured components.
- Camshafts must be manufactured from iron-based alloy materials
- Each camshaft must be machined from a single solid piece
- Welding between front and rear bearing journals is strictly prohibited
- This ensures fair competition and prevents teams from gaining unfair advantages through creative manufacturing
Official FIA Text
Camshafts manufactured from iron-based alloy. Each camshaft and lobes machined from single piece. No welding allowed between front and rear bearing journals.
camshaftiron-based alloysingle piecemachinedwelding
2026 Season Regulations