STM McLaren Crank Wrench (STM-MCL-CW) Driveshaft Shop Part Number: Diagram Number: MD363571

Part Number: Diagram Number: MD363571 10110

• Ground jumper

Includes a full set of 10 bearings available in various sizes

Includes the gauge with interchangeable faceplates and bezels

STM McLaren Crank Wrench (STM-MCL-CW) Driveshaft Shop Part Number: Diagram Number: MD363571The STM McLaren Crank Wrench was developed in a pinch. While installing an aftermarket crank bolt on a 570S we needed something other than the factory crank lock key to hold the crank steady while bringing the torque to 400 FT LBS. This was our answer, and now you can have one in your tool box too! We recommend starting with the factory crank lock key and running the torque on your aftermarket main bolt to 165 FT LBS. Then, remove it and use the STM