Ford Focus Service Manual: Spoilers/Aero

Body Exterior

...

Spoiler - Roof

  Item Part Number Description 1 550B03 Roof-mounted spoiler 2 — Roof-mounted spoiler double-sided tape (part of 550B03) 3 — ...

More about Ford Focus:

Ford Focus Technical specifications
Wheel nut torque Tyre pressures (cold tyres) Up to 80 km/h (50 mph) Except convertible, Focus ST and Focus RS Up to 160 km/h (100 mph) 1Only fit snow chains to specified tyres. Continuous speed in excess of 160 km/h (100 mph) Convertible Up to 160 km/h (100 mph) 1Only fit snow cha ...