Centric 320.66000F Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating provide reliable braking performance for a range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed with a fully coated disc and hat finish, these rotors offer enhanced corrosion resistance and durability for long-term use.

• Part Number: 320.66000F
• Fully coated disc and hat finish for corrosion protection
• Vented rotor design with straight vane style for improved heat dissipation
• Nominal thickness: 1.283 inches (32.590 mm)
• Discard thickness: 1.215 inches (30.860 mm)
• Outside diameter: 11.850 inches (301.000 mm)
• 5 stud/lug hole quantity with 0.500 inch stud thread diameter
• Center hole diameter: 3.059 inches (77.700 mm)
• Mounting bolt hole circle diameter: 5.000 inches (127.000 mm)
• Weight approximately 29.4 lbs (13.36 kgs)

Detailed Product Description

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating (part number 320.66000F) are engineered to meet or exceed OEM specifications for a variety of GM vehicles such as the Chevrolet Blazer, C10, Impala, and Cadillac DeVille. These rotors feature a vented design with straight vanes that facilitate efficient heat dissipation, reducing the risk of brake fade during extended use. The fully coated disc and hat finish provide a protective barrier against rust and corrosion, which is especially beneficial for vehicles exposed to harsh weather conditions.

With a nominal thickness of 1.283 inches and a discard thickness of 1.215 inches, these rotors maintain structural integrity and performance throughout their service life. The smooth surface finish ensures consistent contact with brake pads, contributing to stable braking performance. The rotor’s dimensions, including an outside diameter of 11.850 inches and a 5-lug hole pattern, make it compatible with a wide range of GM trucks, SUVs, and passenger cars.

Compatible Vehicles and Applications

• Buick models including LeSabre and Riviera
• Cadillac models such as DeVille and Fleetwood
• Chevrolet trucks and SUVs including C10, C1500, Blazer, and Suburban
• GMC trucks and SUVs like Jimmy and Sierra
• Oldsmobile and Pontiac full-size sedans and coupes

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.215 inches) before installation
• Clean mounting surfaces and hub to prevent uneven rotor seating
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with existing brake pads and hardware
• Inspect bearings and seals (Centric inner bearing #410.91005 and outer bearing #410.91003 recommended) during installation

Quality Assurance and Warranty

Centric GCX Elemental Protection Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. The full coating process protects against corrosion, extending rotor life. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always refer to the product packaging or Centric’s official documentation for warranty terms.