This product is as advertised, these brake discs and pads are very high quality! I installed the kit within 2 hours as it takes time to remove, clean and reinstall the parts. The break-in procedure is only listed on the box and after today's install and ride I noticed a huge difference in my front stopping power, my rear set is on the way and I'm looking forward to the next job. Looks great on my BMW! 5/5 stars imo product! The PS Kit includes x2 Rider/Passenger Brake Discs with Front Markers - x1 Pad Sensor - x4 Ceramic Pads - x2 Rattles - Dust Cap Replacement - x1 Caliper and Brake Lubricant Pack. Hope that helps!