1. Remove plastic heel guards, clean the threads.
2. Place large spacers between foot peg mount and Perun moto heel guard.
3. Fix heel guards using provided small washers and bolts. Loctite 243 can be used.
4. Torque bolts to 10-15 Nm.
5. Same for other side.
Adam Chandler from Advrider made a great installation video.