StopTech AeroRotor replacement rotor rings StopTech BBK kits Volkswagen Beetle 98-10

StopTech AeroRotors are cast with a proprietary high durability cast iron formula. To test rotor durability, StopTech rented the California Speedway and ran a heavily weighted down car with StopTech rotors on one side and a competitor's rotors on the other. In this test, StopTech rotors were approximately twice as durable as the competitor's rotors. StopTech has had several sets of rotors run entire 24 hour races on winning cars.

The ability to absorb and dissipate heat is essential to brake system performance. The patented StopTech AeroRotor� features uniquely designed curved vanes with innovations on leading and trailing edges to optimize airflow through the rotor. This improved directional design minimizes turbulence and flows more air than any rotor tested. The result is up to 80% better airflow over original equipment rotors and 10-30% better airflow than directional vaned racing rotors currently available.

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