Lexus beat Aston Martin to pole position in the LMGT3 qualifying, with 22-year-old Hadrien David setting the fastest time in Hyperpole.
After Razvan Umbrarescu topped the opening qualifying for bronze drivers in the #87 ASP Lexus RC F GT3, David put the sister #78 entry on top in the pole-deciding session.
The Frenchman set a best time of 2m16.612s with just minutes to go in qualifying, beating the #27 Heart of Heart Racing Aston Martin Vantage GT3 of Zacharie Robichon by just under two tenths of a second.
Ben Tuck put the #77 Proton Ford Mustang GT3 in third place, ahead of the other Lexus qualified by Clemens Schmid.
Giammarco Levorato rounded off a strong day for Ford with the fifth-fastest time in the #88 Mustang, while Simon Mann qualified sixth in the best of the AF Corse Ferrari 296 GT3s.
BMW, Mercedes, Porsche and Corvette all managed to get one car into the second leg of qualifying and completed the top 10.
Neither of the two Garage 59 McLaren 720S GT3s progressed into Q2, while the Imola class-winning #69 WRT BMW M4 GT3 also ended up off the pace, leaving it on the final row of the grid.
The Spa 6 Hours, which serves as the unofficial dress rehearsal for the Le Mans 24 Hours, starts at 14:00 local time on Saturday.
Hypercar results (Top 10 only)
LMGT3 results (Top 10 only)
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