Raybestos 580403P Disc Brake Rotor - Front

Overview of Raybestos Specialty - Police Disc Brake Rotor 580403P

The Raybestos Specialty - Police Disc Brake Rotor 580403P is engineered for reliable braking performance on select Buick and Chevrolet models. Designed specifically for vehicles such as the Impala, Impala Limited, Lucerne, and Monte Carlo, this vented rotor meets precise specifications to maintain optimal stopping power under demanding conditions.

• Compatible with Buick Impala, Impala Limited, Lucerne, and Chevrolet Monte Carlo
• Part number 580403P for exact fit and performance
• Vented disc brake rotor design for improved heat dissipation
• Overall height: 2.045 inches (51.950 mm)
• Outside diameter: 11.928 inches (302.950 mm)
• Mounting bolt hole quantity: 5 with 4.528 inch (115.000 mm) bolt circle diameter
• Nominal thickness: 1.181 inches (30.000 mm); discard thickness: 1.126 inches (28.600 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Description and Specifications

This Raybestos disc brake rotor, part number 580403P, is a vented rotor designed to provide consistent braking performance and heat management. The vented design allows air to flow between the rotor surfaces, reducing the risk of brake fade during extended use. With an outside diameter of approximately 11.928 inches (302.950 mm) and an overall height of 2.045 inches (51.950 mm), this rotor fits specific Buick and Chevrolet models including the Impala, Impala Limited, Lucerne, and Monte Carlo.

The rotor features a conventional design with five mounting bolt holes arranged on a 4.528 inch (115.000 mm) bolt circle diameter, ensuring proper alignment and secure installation. The nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.126 inches (28.600 mm) provide clear guidelines for maintenance and replacement to maintain braking efficiency and safety.

About the Specialty - Police Product Line

The Raybestos Specialty - Police line is tailored to meet the rigorous demands of law enforcement and emergency vehicles. This product line emphasizes durability and consistent performance under high-stress conditions. The 580403P rotor is part of this line, offering enhanced heat dissipation and structural integrity suitable for vehicles that require reliable braking during frequent stops and high-speed pursuits.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Impala and Chevrolet Monte Carlo
• Addresses brake fade caused by overheating during extended braking
• Resolves vibration or pulsation issues due to uneven rotor thickness
• Improves braking response for police or fleet vehicles under heavy use
• Restores proper rotor thickness to maintain safe braking distances

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Inspect mounting surfaces and hardware for wear or damage
• Ensure rotor thickness meets nominal specifications; replace if below discard thickness
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Perform a bed-in procedure after installation to optimize rotor and pad contact

Quality Assurance and Warranty

Raybestos manufactures the 580403P rotor to meet or exceed OEM standards for fit, form, and function. The Specialty - Police line undergoes rigorous testing to ensure durability and performance under demanding conditions. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by application and region.