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.

Maserati Biturbo ( 331B25 ) ( 2491)

Homologation number: 
5328
Make: 
Maserati
Model: 
Biturbo ( 331B25 ) ( 2491)
Group: 
A
Cylinder capacity: 
3487
Transmission: 
RWD
No of cylinder: 
6
Country: 
Italy
Date of homologation: 
March 2, 1987
End of homologation: 
January 1, 1993
List of extensions 9 open
1/1VO
02/03/1987
Suspension, Transmission, Steering, Brake, Wheel attachment
2/2VO
02/04/1987
Rollbar
3/1ET
02/07/1987
Bodywork, Turbo, Engine (not valid for rally)
4/1ER
02/01/1988
Cylinder capacity
5/3VO
02/03/1988
Suspension, Wheel attachment, Brake, Transmission
6/2ER
02/04/1988
Gearbox ratios
7/4VO
02/04/1988
Suspension, Wheel attachment, Brake, Final drive ratio
8/5VO
02/07/1988
Suspension, Brake, Gearbox ratios, Wheel attachment, Final drive ratio
9/6VO
02/07/1990
Gearbox ratios

Homologation forms & list of extensions