Raybestos 580559R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 580559R

The Raybestos R-Line Disc Brake Rotor 580559R is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, and Pontiac models. Designed as a vented, conventional rotor, it meets the specifications required for vehicles like the Buick LeSabre and Chevrolet Impala.

• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.000 inches (50.8 mm)
• Outside diameter: 11.929 inches (303 mm)
• Nominal thickness: 1.181 inches (30 mm)
• Discard thickness: 1.126 inches (28.6 mm)
• 5 mounting bolt holes with 118 mm bolt circle diameter
• Center hole diameter: 2.782 inches (70.65 mm)
• Compatible with multiple GM models including Buick, Cadillac, Chevrolet, and Pontiac

Detailed Product Specifications

This Raybestos R-Line rotor features a vented design that enhances cooling during braking, reducing the risk of brake fade under heavy use. The nominal thickness of 1.181 inches ensures durability and consistent performance, while the discard thickness of 1.126 inches indicates when the rotor should be replaced to maintain safety standards. The rotor’s overall height of 2.000 inches and outside diameter of 11.929 inches are engineered to fit specific GM vehicles requiring a 5-bolt mounting pattern with a 118 mm bolt circle diameter. The center hole diameter of 2.782 inches allows for proper hub fitment, ensuring secure installation.

R-Line Product Line Information

The Raybestos R-Line series is designed to provide dependable braking components that meet original equipment specifications. This product line focuses on delivering rotors that balance performance and longevity, making them suitable for daily driving conditions on vehicles such as the Cadillac DeVille and Pontiac Bonneville. The R-Line rotors are manufactured with quality materials and precise engineering to maintain consistent braking feel and safety.

Compatible Vehicles and Applications

• Buick LeSabre
• Cadillac DeVille
• Chevrolet Impala
• Pontiac Bonneville
• Chevrolet Monte Carlo
• Buick Park Avenue

This rotor is ideal for addressing issues such as brake rotor warping, uneven wear, brake noise, and reduced braking efficiency on these models.

Installation Notes and Tips

• Ensure the rotor thickness is above the discard thickness before installation
• Clean the rotor surface to remove any protective coating before mounting
• Verify bolt hole alignment with the vehicle’s hub and mounting pattern
• Torque mounting bolts to manufacturer specifications to avoid rotor distortion
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, providing consistent braking performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.