#Porsche917 – On April 28, 1975 a one-off #Porsche 917 race car left the #Weissach development center. It headed not for a track – like every 917 before – but instead, and for the very 1st time, it took to public roads.
More information ⬇️https://t.co/75iYdA2jGG pic.twitter.com/EohtrN06yx
— Porsche Motorsport (@PorscheRaces) April 25, 2025