As per Art. 4.1.4 to FIA Appendix K: For any homologated car, the HTP must be accompanied by an ASN certified copy (printed on FIA stamped/watermarked paper with an ASN additional authentication) of the car’s original Homologation Form or a ASN certified copy (printed on FIA stamped/watermarked paper with an ASN additional authentication) of the car’s Retrospective Homologation Form.
None of the forms available on this website will be recognised as valid on an event, this is for consultation only.

Porsche 928 S

Homologation number: 
3085
Make: 
Porsche
Model: 
928 S
Group: 
3
Cylinder capacity: 
4664
Transmission: 
RWD
No of cylinder: 
8
Country: 
Germany
Date of homologation: 
November 2, 1980
End of homologation: 
January 1, 1982
List of extensions 1 open
1/1V
02/11/1980
Wheel

Homologation forms & list of extensions