Lance Stroll will start the United States Grand Prix from the pit lane after Aston Martin opted to change the power unit in the back of his AMR26.
Stroll was due to start P16 at the Circuit of the Americas, and his removal from the grid elevates both Williams drivers, both Cadillacs and Franco Colapinto and Gabriel Bortoleto, both of whom have also taken power-unit grid penalties.
Aston Martin has also extended the pool of power unit components available to Stroll for the rest of the campaign.
Specifically, Stroll has got an additional internal combustion engine, his sixth of four allowed, and an extra turbocharger, which is his seventh of the campaign.
The Canadian has also taken a new energy store unit, another control electronics unit, and a fresh power unit ancillary component, all of which are far past the permitted allocations.
Aston Martin also confirmed that set-up changes and damage repair were made to Stroll's car.
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