Porsche 911 GT3 Cup 2018 Techical Manual page 295

Bodywork
4.16.1.19
4.16.1.20
911 GT3 Cup (991 II)
294
Threads – cross member
Thread 1; front axle mounting (Helicoil)
Thread 2; axle support mounting (Helicoil)
Threads 1 / 2:
Use
Threads 1 and 2
Threads 1 and 2
Use repair kit 9843 with threaded bushings (Porsche).
MY 2018
M12x1.5x30
M12x1.5x30
Explanation Type
Dimension Y Length
Dimension X Length
Basic value
33 mm
5 mm
Version: 4/20/2018