Fernando Alonso and Jenson Button are set to receive further grid penalties for the Belgian Grand Prix after taking new engine components.
With both drivers already set to start from the back of the grid having been hit with a combined penalty of 55 grid places, McLaren has taken extra new power unit components to expand the pool available to both drivers at future races.
Both drivers have taken an eighth internal combustion engine (ICE) on Saturday morning, while there are also new turbochargers (TC), MGU-H and MGU-K components on both cars.
For Alonso, the eighth ICE is the first time he has taken an eighth component and therefore carries a ten-place grid penalty, with the other three new parts resulting in additional five places each. His total penalty of 25 places will be added to the 30 places he was given on Friday, leaving Alonso with a 55-place grid drop.
Button's changes also add up to a drop of 25 places in total having taken a ninth TC and MGU-H, leaving him with an overall penalty of 50 places this weekend.
Tweaks to the regulations made earlier this season mean neither driver will face an in-race penalty for the changes, while unused penalties are also not carried over to future races.
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