Paragon Performance Rotor Rings 290mm x 28mm (11.42" x 1.10") - P.C.D. 171.4mm - D50 MSRP: $470.00 Paragon Performance Rotor Rings 290mm x 28mm (11.42” x 1.10”)- P.C.D. 171.4mm - D50 Paragon Performance Rotor Ring offers superior braking and cooling efficiency optimized for track and race applications. It features directional ventilation...