Instructions on the manufacturer's certificate for approved winter tires, wheels, and snow chains.
Porsche technical service bulletin No. 81-21 for 2010-2011 Porsche 911 GT3 and 2010-2011 Porsche 911 Gt3 RS.
- Bulletin number
- No. 81-21
- Component
- Tires
- Summary
- Instructions on the manufacturer's certificate for approved winter tires, wheels, and snow chains.
Vehicles covered
- Porsche 911 GT3 2010-2011 20102011
- Porsche 911 Gt3 RS 2010-2011 20102011
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