Raybestos 580559 Disc Brake Rotor - Front

Overview of Raybestos 580559 Disc Brake Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 580559, is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, and Pontiac models. Designed as a vented rotor with conventional mounting, it offers consistent heat dissipation and durability for street-driven vehicles like the Buick LeSabre and Chevrolet Impala.

• Vented disc brake rotor for improved cooling
• Overall diameter of 11.929 inches (303.0 mm)
• Nominal thickness of 1.181 inches (30.0 mm)
• Discard thickness at 1.126 inches (28.6 mm)
• Five mounting bolt holes with 4.646 inch (118.0 mm) bolt circle diameter
• Center hole diameter of 2.782 inches (70.65 mm)
• Compatible with multiple GM full-size sedans and coupes

Detailed Product Specifications

This Raybestos disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under normal street driving conditions. The rotor measures 11.929 inches in outside diameter and has a nominal thickness of 1.181 inches, ensuring a solid braking surface. The discard thickness is 1.126 inches, indicating when the rotor should be replaced to maintain safe braking performance. The rotor’s overall height is 2.0 inches, and it uses a conventional mounting style with five mounting bolt holes arranged on a 4.646 inch bolt circle diameter. The center hole diameter is 2.782 inches, matching the hub specifications of compatible vehicles.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line is designed to meet the demands of street-driven vehicles requiring dependable braking without the need for racing-grade components. This product line balances performance and durability, making it suitable for daily drivers such as the Cadillac DeVille and Pontiac Bonneville. The 580559 rotor exemplifies this balance by providing consistent braking response and heat management for a variety of GM full-size sedans and coupes.

Compatible Vehicles and Common Applications

• Buick LeSabre and Park Avenue
• Cadillac DeVille
• Chevrolet Impala and Monte Carlo
• Pontiac Bonneville
• Replacement for worn or warped rotors causing brake pulsation or noise

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface to remove any protective coating before mounting
• Torque mounting bolts to manufacturer specifications
• Inspect brake pads and hardware for wear during rotor replacement
• Perform a proper bed-in procedure after installation for optimal braking

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The Specialty - Street Performance rotors undergo rigorous quality control to provide consistent performance on compatible Buick, Cadillac, Chevrolet, and Pontiac models. Warranty coverage details should be confirmed with the point of purchase or Raybestos directly.