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Fernando Alonso's Formula 1 grid penalty for the Malaysian Grand Prix has risen to 45 places after Honda changed the turbocharger and MGU-H, while Jenson Button gets the new exhaust.

Honda spent one engine development token on the engine block and one token on a new lightweight exhaust, but only Alonso ran the upgrade during Friday practice at Sepang.

Alonso will not race with the new engine this weekend as the main focus was to take the penalties in Malaysia rather than Japan and gather on-track data.

The Spaniard has reverted to the unit used in Belgium for the remainder of the Malaysian GP weekend but is expected to use the new spec, penalty-free, in Japan next weekend.

However, he will run the new exhaust, which will also be used by Button.

Alonso changed the internal combustion engine, turbo, MGU-H, energy store and control electronics on Thursday, which meant a 30-place penalty.

That rises to 45 after a new turbocharger and MGU-H - the ninth of the season for both - were changed ahead of final practice, but as he was already at the back of the grid, the tweaks are effectively without penalty.

Button, running the old spec engine block, will have to wait to receive the update.

It is anticipated he will not get that until the United States Grand Prix at Austin to avoid taking a penalty in Japan.

McLaren racing director Eric Boullier said on Friday that the team was happy with the update "so it's a green light for the future, for the end of the season".