GCX(R) uses RS200TM zinc-aluminum coating for optimal corrosion resistance. The robotically applied coating is a market leader in corrosion resistance, achieving over 200 hours of salt spray corrosion testing.. 2 Coating Types Partially or Fully coated to match OE friction type; means the right rotor for your car; Road Ready From the box to your vehicle; no additional prep needed. Chevrolet Astra 2008-2000, Zafira 2006-2002, Saab 9-3 2002-1999, 9-5 2010-2000, Saturn Astra 2009-2008. C-Tek; Centric; Standard brake rotor; brake rotor; break rotor; rotors; rotor. Centric GCX Disc Brake Rotors - Full Coating, High Carbon Content. Centric GCX Rotor with Full Coating and High Carbon Content. For consistent and confident braking from the first stop. Centric 99-02 Saab 44442 GCX Brake Rotors - Front. For optimal heat transfer and structural strength. Carbon Enhanved Advanced Metallurgy. RS200TM Zinc-Aluminum Rich Coating. For smooth vibration free stopping. OE Vane Design and Plate Thickness. For vibration free performance. For heat capacity and strength. Low Initial Lateral Run-Out. Optimal Surface Finish. Precision Balance. GCX Brake Rotor

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