from Porsche...  "Porsche Classic has an objective: the maintenance and care of historic vehicles which have not been produced in standard production for at least 10 years. These include legendary sports cars, like the 356, 914, 959, and 911 up to and including type 996, as well as all four and eight-cylinder vehicles, like the 924, 928, 944, and 968, and the Porsche Boxster, type 986. Supported since 2016: the Carrera GT (type 980)"

Porsche Classic parts are Genuine Porsche brand parts geared towards these listed "Classic" vehicles.