Haas has introduced a significant improve to the USA Grand Prix as one in all simply two groups introducing new components.
The Dash format of the race weekend at COTA has restricted the variety of developments that groups delivered to Austin prior to now, however that’s emphasised this yr by the by nearly all of the grid’s give attention to 2026 rules.
Meaning that apart from Haas, solely Mercedes has submitted a brand new part, with an replace to the rear nook that sees the “higher lip camber diminished to enhance native movement high quality round high wishbone, and winglet span diminished to extend tire clearance.”
For Haas, nevertheless, a considerable replace has been developed for its dwelling grand prix, because the group seems to be to stay within the struggle for sixth place within the constructors’ championship.
Central to the improve is a brand new ground, with the ground physique, ground fences and ground edge all redesigned. The group says this builds on the improve launched in Silverstone by refining the ground fences and outboard edge to extend aerodynamic load, with a give attention to high-speed nook efficiency.
A refined rear nook winglet has additionally been delivered to Austin to work in parallel with the brand new ground, whereas Haas has additionally tweaked the mirror keep on its sidepod to enhance movement alignment.
Haas could have only one observe session on Friday to validate the improve forward of Dash qualifying on Friday afternoon at Circuit of the Americas.