EBC R Series Sintered Rear Brake Pads (2 Sets) for Both Calipers 2011-2013 Polaris Ranger RZR XP 900 FA354R Genuine EBC - not to be confused with cheap imitations. "R" Series sintered brake pads are great replacement for sport and utility use. Long-Life, extra mechanical strength of a sintered pad and are good for use in sandy and wet, general purpose conditions of riding. Made with a unique blend of copper based, sintered alloy which offers extended life Stable braking in all conditions, making this pads ideal for general replacement on offroad vehicles