Master Cylinders - Porsche 2015 911 GT3 Cup Technical Manual

3.7.4

Master cylinders

Both master cylinders supplied by AP Racing have a diameter of 17.8 mm (0.7
inches). An AP Racing ID-Number on the master cylinder can be used to designate the
cylinder. Porsche spare part No.: 991.355.170.8C
3.7.4.1
List of tightening torques for master cylinders
Item Dimensions Tightening torque in Nm/Comments
4 M8 x 30 23 Nm (17 ft-lb)
9 Insert the bolt from the right!
10 M8 23 Nm (17 ft-lb)
16 M8 x 200 23 Nm (17 ft-lb)
NOTE
Version: 16.12.2014
Insert the bolt (item 9) from the right as otherwise
there is a risk of collision. The arrow indicates the
driving direction.
Chassis
911 GT3 Cup (991)
MY 2015
163