Offset Lab
Torque Hub

Porsche 997 GT3 Torque Specs

Verified torque references for Porsche 997 GT3, including source links, safety notes, and ft-lb / Nm conversions.

Primary spec

Center-lock wheel nut (MY2010-2011 997.2 GT3)

443ft-lb

600 Nm

Safety note

Confirm safety-critical fastener values against the exact model-year service manual. Use a calibrated torque wrench, the correct tightening sequence, and vehicle-specific hardware.

Wheels / Wheels

Center-lock wheel nut (MY2010-2011 997.2 GT3)

Verified

443ft-lb

600 Nm

Porsche specifies 443 ft-lb / 600 Nm for 997 center-lock wheels. Follow the complete Porsche lubrication, inspection, tightening, locking, and verification procedure.

Center-lock wheels are safety-critical. This value does not apply to five-lug 997.1 GT3 wheels. Use Porsche-specified tools and procedures, or have a qualified Porsche technician perform or verify the work.

Source

Checked Sep 7, 2026

Porsche recall campaign 6/11 EN AB01

Porsche confirms center-lock hubs for the MY2010 facelifted 997 GT3; recall campaign 6/11 specifies 600 Nm for affected 997 central wheel locks.

Open source

Wheels / Wheels

Conventional five-lug wheel bolts (997.1 GT3)

Verified

96ft-lb

130 Nm

The pre-facelift 997 GT3 uses conventional five-lug wheel bolts; Porsche specifies 96 ft-lb / 130 Nm for the applicable silver bolts.

Applies to conventional five-lug 997.1 GT3 wheels only. MY2010-and-later 997.2 GT3 center-lock wheels require 600 Nm and the complete Porsche center-lock procedure.

Source

Checked Sep 7, 2026

Porsche 911 (997) manufacturer certificate 4440 ENU 88/21

Porsche documentation identifies center locks as a MY2010 GT3 change; Porsche service information specifies 130 Nm for pre-MY2012 silver conventional wheel bolts.

Open source