Paragon Performance Rotor Rings 325mm x 28mm (12.80" x 1.10") - P.C.D. 190.5mm MSRP: $470.00 Paragon Performance Rotor Rings 325mm x 28mm (12.80” x 1.10”) - P.C.D. 190.5mm Paragon Performance Rotor Ring offers superior braking and cooling efficiency optimized for track and race applications. It features directional ventilation vanes...