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 904 GTS

Homologation number: 
159
Make: 
Porsche
Model: 
904 GTS
Group: 
GT
Cylinder capacity: 
1966
Transmission: 
RWD
No of cylinder: 
4
Country: 
Germany
Date of homologation: 
April 13, 1964
End of homologation: 
April 13, 1964
List of extensions 4 open
A
15/07/1964
Wheelbase, Track, Gearbox ratios, Inlet manifold, Bodywork
B
17/11/1964
Brakes
C
02/01/1965
Compression, Valves, Camshaft, Exhaust system
D/V
02/08/1965
Wheel, Track

Homologation forms & list of extensions