"Fully Restored"

Above: a Gulf-Wyer 917 leaving the pits at Spa-Francorchamps in the 1970 1000 Km race: durty girl.
Below: a restored ex-Porsche Salzburg/Martini & Rossi 917 leaving the pits at Spa-Francorchamps circa  2012.
It's a pretty safe bet that no 917 ever left the factory in a condition as pristine as the one below.