With Monza seen as a prime opportunity to take a grid penalty, because its long straights should make moving up the field much easier than at the next races in Singapore and Japan, several teams have decided to introduce new power units and gearboxes. Below is an updated lsit of who is moving back on the grid.
Max Verstappen, Red Bull: 5-place grid penalty
Two weeks after taking a fully new power unit in Belgium, Red Bull has decided to add a new internal combustion engine to Verstappen's engine pool, incurring a five-place penalty for Sunday's Italian Grand Prix.
Therefore, Verstappen will add a fresh fifth ICE to his pool while taking a minimal hit.
Esteban Ocon, Alpine: 5-place grid penalty
On Saturday it was announced Alpine's Esteban Ocon would also add a new internal combustion engine, giving up a potential front row start given penalties for other frontrunners.
Sergio Perez, Red Bull: 10-place grid penalty
As widely expected, Verstappen's team-mate Perez has also had a fresh V6 engine installed.
As it is the first time Perez has exceeded his allowance of three ICEs, he will take a 10-place grid penalty. Perez has also taken his fourth gearbox, which is still within limits.
Mick Schumacher, Haas: 15-place grid penalty
Mick Schumacher also received a new V6 engine from Ferrari, which is hoped will see him through to the end of the season, plus a new gearbox.
Valtteri Bottas, Alfa Romeo: 15-place grid penalty
Alfa Romeo's Valtteri Bottas has also turned F1's wheel of fortune and came away with a 15-place grid drop for taking a new ICE, turbocharger and MGU-H from Ferrari.
Kevin Magnussen, Haas: 15-place grid penalty
The other Haas car of Kevin Magnussen was fitted with a new ICE, turbo and MGU-H, with the Dane docked 15 places.
Carlos Sainz, Ferrari: Back of the grid
On Friday it was initially revealed that Ferrari driver Sainz would take a new energy store, MGU-K and gearbox, which would cost him 25 places on the grid.
Ahead of FP2 Sainz also took new control electronics, which triggered a back-of-the-grid start for the Spaniard.
Lewis Hamilton, Mercedes: Back of the grid
Sainz will be joined at the rear by Mercedes' Lewis Hamilton, who has also taken a fourth power unit of the season, as was announced on Thursday.
Yuki Tsunoda, AlphaTauri: Back of the grid
Tsunoda will start at the back of the grid as well. The AlphaTauri driver had been slapped with a 10-place grid penalty for receiving a fifth reprimand of the season in Zandvoort last week, where he was penalised for driving to the pits with his seatbelts loosened after he stopped on track.
With Tsunoda taking a penalty anyway, AlphaTauri has taken the opportunity to give him new power unit.
| Driver | Team | Elements | Penalty |
| Max Verstappen | Red Bull | ICE | 5 places |
| Esteban Ocon | Alpine | ICE |
5 places |
| Sergio Perez | Red Bull | ICE (first breach) | 10 places |
| Mick Schumacher | Haas | ICE, Gearbox | 15 places |
| Valtteri Bottas | Alfa Romeo | ICED, turbo, MGU-H | 15 places |
| Kevin Magnussen | Haas | ICED, turbo, MGU-H | 15 places |
| Carlos Sainz | Ferrari | Gearbox, MGU-K, CE, ES | Back of the grid |
| Lewis Hamilton | Mercedes | Full power unit | Back of the grid |
| Yuki Tsunoda | AlphaTauri | Full power unit + sporting penalty | Back of the grid |
Tsunoda's day got worse when he copped a three-place grid penalty for failing to slow down sufficiently for yellow flags in FP2, which were caused by Schumacher's stricken Haas. The Japanse driver also received two penalty points, taking his total up to eight for the past 12 months.
With his immediate rivals taking a grid penalty, Charles Leclerc's chances of winning his second Italian Grand Prix on Ferrari's home soil have received a boost, although the penalties for Sainz, Perez and Hamilton have afforded Verstappen an easier path to the front.
