Doc 90 - Parts and Parameters been replaced and or changed during Race Parc Fermé

Several parts and parameters were replaced or changed during Parc Fermé at the 2026 Canadian Grand Prix with FIA approval.

The following components were replaced or modified during Parc Fermé under Article B3.5.4 with FIA technical delegate approval:

• McLaren Mercedes (Car 81 - Piastri): RHS floor edge metallic winglet, RHS brake caliper duct
• Mercedes (Car 63 - Antonelli): LHS rear inner brake duct drum
• Red Bull Racing RB Ford (Car 03 - Verstappen, Car 06 - Hadjar): Brake master cylinder (Car 03), RHS rear pushrod gaiter, power box carrier and cooling duct assembly (Car 06)
• Atlassian Williams Mercedes (Car 55 - Sainz): RHS front wheel speed sensor
• Aston Martin Aramco Honda (Car 14 - Alonso): Front brake friction material (previously used), with associated parameter changes
• Haas Ferrari (Car 87 - Bearman): LHS floor stay
• Audi (Car 05 - Bortoleto): LHS rear wheel nut retention device
• Alpine Mercedes (Car 10 - Gasly, Car 43 - Colapinto): Floor assembly (excluding plank and skids), front brake friction material (previously used) and rear wing actuator parameter changes (Car 10); front brake friction material (Car 43), with associated parameter changes

All changes were made following written team requests and approved by the FIA Technical Delegate in compliance with B3.5.4.