Doc 2 - Competition Notes - Pirelli Preview

Technical/ScrutineeringNotices/Procedures

2026 United States Grand Prix - Pirelli Preview

Document 2 Issued by: The FIA Formula 1 Race Director Date: 21 October 2026

Tyre Compounds

  • Hard (C2)
  • Medium (C3)
  • Soft (C4)
  • Intermediate
  • Wet

Mandatory Race Tyres: C2, C3 Q3 Tyre: C4

Pressures & Camber Prescriptions

CategoryAxleMinimum Starting PressureExpected Stabilized Running PressureCamber Limit
SlicksFront26.5 psi≥27.5 psi-3°
SlicksRear25.5 psi≥26.5 psi-1.75°
IntermediatesFront28.0 psi≥29.0 psi-3.25°
IntermediatesRear26.5 psi≥27.5 psi-2.25°
WetsFront26.5 psi≥29.0 psi-3.25°
WetsRear25.0 psi≥27.5 psi-2.25°

Maximum Heating Times and Temperatures

  • Slicks: Max 2h
  • Intermediate: Max 2h
  • Wet: Max 2h

Key Tyre Notes

  • Tyres may only be heated prior to the session in which they are intended to be used.
  • Do not permit switching tyres from their originally allocated position.
  • Do not subject tyres to large deformation or heavy impact.
  • Cut-off time for fitting tyres on Sunday morning: 4 hours prior to race start.