J&S Safeguard install part 2 Bosch sensor

 Making a combination stud with 7/16 thread and 5/16 thread. The Bosch knock sensor will fit on the smaller end.

 ready to install

J&S Bosch sensor is the closest on the combination stud. The center sensor is a GM resonant type that is for the MSD alert. The rear sensor is also a Bosch for the Knocksense interface to Megasquirt. Torqued the sensor mount nut to 140 inch/lbs.
Links
Knocksense
MSD Knock alert
J&S Safeguard