These MCP 5009 brake pads are sold as a pair. The 3375 caliper shown in the image is sold separately.

Using these MCP 5009 brake pads is easy. Just install them as you would with any standard brake pads for your European - style 3375 caliper. When installing, make sure to clean the caliper area to avoid debris getting in. As for maintenance, check the brake pads regularly for wear. If you notice any excessive wear or strange noises when braking, it's time to replace them. Also, keep the brake system clean to ensure the best performance of these brake pads. Remember, the 3375 caliper is sold separately, so you'll need to get it if you don't already have one.