Porsche 928Porsche 928 S4 (1987 – 1991) The 928 S4 variant debuted as a 1987 model with an updated 5.0 L V8 for all markets
Equipment and Option CodesPorsche 928 (MY 1987) – Equipment & Options Codes Full list of Equipment & Option Codes Decoder for the 1987 Porsche 928
Parts Codes and CatalogsPorsche 928 (MY 1987-1991) – Part Catalog Spare Parts Catalog (Porsche PET) for the Porsche 928