911 Carrera S Cabriolet (997) F6-3.8L (2007)
Harmonic Balancer - Crankshaft Pulley: Specifications
Vibration damper to crankshaft M8 x 1 x 25 outer Torx(R) ........................................................................................................................ 60 Nm (44 ftlb.)
Tighten screws uniformly to the tightening specification in diagonally opposite sequence.