Pirelli has brought the three hardest tyres from its range of five compounds to Spa-Francorchamps, with the C1 the Hard tyre, the C2 the Medium and the C3 the Soft.
Last year’s event was won by the one-stopping Sebastian Vettel who was able to hold of Mercedes' Lewis Hamilton.
For Sunday’s race the top eight starters, along with the penalised Renault pair of Daniel Ricciardo and Nico Hulkenberg, will start on the Soft tyres.
The remaining drivers will have free choice of starting tyre for the 44-lap Grand Prix.
"With a one-stop soft-medium strategy being the likely way to go here, it was no real surprise that we saw only the red tyre during qualifying," explained Pirelli.
"Whether or not anyone deviates from the predicted strategy will depend largely on the race and weather circumstances: if the weather changes or if there's an early safety car, this could drive people towards the harder compounds or an extra stop.
"However, all the forecasts suggest that it will instead be cooler than the unusually warm temperatures we had today. It was certainly a dramatic qualifying session with all the stoppages in Q1.
"Tomorrow will be all about looking after the rear tyres in particular to control the degradation on what is always one of the most abrasive and challenging circuits of the year.
"Congratulations to Ferrari for their excellent one-two result in qualifying: we should be in for an exciting race."
Long sweeping corners will punish the tyres heavily around the Spa-Francorchamps circuit, the predicted cooler temperatures should help tyres survive, but the high tyre pressures may prove tricky to manage.
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