Porsche 911 Carrera Owner's Manual page 293

Store spacer and wheel nuts together.
Mounting the spacers
1. Remove wheel.
2. Fit the spacer with the wheel bolts A used to
fasten the wheel. Initially tighten the wheel
bolts slightly in diagonally opposite sequence.
3. Tighten wheel bolts in diagonally oppo-
site sequence. Tightening torque:
130 Nm (96 ftlb.).
4. Fit wheel. To do this use the original wheel nuts
for fastening the wheels. Tightening torque:
130 Nm (96 ftlb.).
Please observe the chapter "CHANGING A
WHEEL" on page 287.
On request, separate anti-theft protection for the
wheel nuts can be mounted.
Please consult an authorized Porsche dealer.
Practical Tips, Emergency Service
291