System Specifications
Through-bolt screws on crankcaseInitial tightening 5 Nm (3.5 ft lb)
Initial tightening 12 Nm (9 ft lb.)
Tightening torque 15 Nm (11 ft lb.)
Torque angle 75°
Final tightening - torque angle 75°
Vibration damper 60 Nm (44 ft lb.)
Piston
Identification markings
1 Manufacturer's logo
2 Date of production
3 Manufacturer's drawing number
4 Weight group
5 Arrow marking for intake side (visible on new pistons)
6 Data matrix code
7 Porsche part number
8 Dimensional group
Piston shank diameter
Piston rings
