FITS: 2005 - 2014 Subaru Impreza, 2013 - 2017 Subaru WRX STI

StopTech Sport Rotors are also available with an optional cryogenic treatment. Although cryogenic treatment is invisible to the naked eye, many fleet customers are sold on its ability to extend the service life of the brake rotor. Deep cryogenic treatment

This extra process provides better rotor balance and creates a cleaner, more finished looking component; In addition, Rotors are inspected for balance and mill-corrected to a tolerance of less than 2oz