Porsche 911 GT3 2004–2005 — technical service bulletin
Bulletin No. 68-20 · NHTSA communication 10198976 · issued Jun 23, 2021
Technical service bulletin
communication type
Wheels
component
2004–2005
model years
2
vehicle entries
Official summary
List of approved wheels and tires for the 911 GT3 and GT3RS.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.