Performance MacHine 6-Piston Caliper Rebuild H-D FLST FXR/ST FXD/WG FLT/H/R XL/H Designed for 11.5in./11.8in. or 13in. rotors Dual-disc applications require a left and right caliper Work with OEM-style or Performance Machine rotors Chrome calipers are highly polished then chromeplated Contrast Cut finish starts with a polished caliper that has been black anodized, then recut to open the design