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: 
209
Make: 
Porsche
Model: 
928 S
Group: 
B
Cylinder capacity: 
4664
Transmission: 
RWD
No of cylinder: 
8
Country: 
Germany
Date of homologation: 
March 1, 1982
End of homologation: 
December 31, 1991
List of extensions 4 open
1/1VO
01/03/1982
Brake, Transmission
2/2VO
01/03/1982
Rollbar
3/1ER
01/09/1984
Engine
4/2ER
01/01/1985
Rollbar

Homologation forms & list of extensions