StopTech Cryo-Stop rotors for the Civic Si are a cryogenically treated, smooth faced, premium rotor casting. They use the same premium rotor castings as a StopTech Powerslot slotted rotor but do not have the slots machined into them to help reduce costs. This rotor option is meant to offer a bridge the performance and price gap between basic replacement rotors and slotted performance rotors.
StopTech Cryo-Stop rotors are not designed or intended to outperform their slotted counterparts. Cryo-Stops are will outperform and outlast OEM replacements because they are a cryogenically treated, premium rotor casting. Cryogenic treatment is a one-time process in which the rotor is quickly cooled to -300°F and then slowly brought back to ambient temperature. StopTech’s cryogenic treatment process permanently changes metallurgy, resulting in a denser, stronger rotor able to withstand substantial braking forces for long periods of time; up to three times as long as an untreated equivalent rotor.
In addition to the cryogenic treatment Cryo-Stop rotors have an electrostatically applied finish designed to withstand 400 hours of saltwater exposure without rusting. This electrocoating (E-coating) finish, provides long lasting corrosion protection in the critical hat and cooling vane areas. So now your rotor will not only perform for a longer time, but they will look good longer too.
- StopTech Cryo-Stop rotors are sold as a pair.
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