Paragon Performance Rotor Rings 300mm x 9.6mm (11.81" x 0.38") - P.C.D. 189mm - D46 MSRP: $420.00 Paragon Performance Rotor Rings 300mm x 9.6mm (11.81” x 0.38”) - P.C.D. 189mm - D46 Paragon Performance Rotor Ring offers superior braking and cooling efficiency optimized for track and race applications. It features greater thermal capacity...