Raybestos 980278 Disc Brake Rotor - Rear

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 980278, is engineered for Audi A8, A8 Quattro, and S8 models. Designed to meet precise specifications, this vented rotor supports reliable braking performance under street driving conditions.

• Vented disc brake rotor for improved heat dissipation
• Nominal thickness of 0.866 inches (22.000 mm)
• Discard thickness at 0.787 inches (20.000 mm)
• Overall height of 1.825 inches (46.350 mm)
• Outside diameter of 11.015 inches (279.800 mm)
• Five mounting bolt holes with a 4.409 inch (112.000 mm) bolt circle diameter
• Center hole diameter of 2.678 inches (68.000 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Product Description

This Raybestos disc brake rotor (part number 980278) is specifically designed for Audi A8, A8 Quattro, and S8 vehicles, ensuring proper fitment and performance. The rotor features a vented design that enhances cooling efficiency during braking, reducing the risk of brake fade. With a nominal thickness of 0.866 inches and a discard thickness of 0.787 inches, this rotor maintains structural integrity and safety throughout its service life. The overall height of 1.825 inches and an outside diameter of 11.015 inches provide compatibility with the specified Audi models. The rotor includes five mounting bolt holes arranged on a 4.409 inch bolt circle diameter, matching factory specifications for secure installation.

Specialty - Street Performance Product Line

The Specialty - Street Performance line by Raybestos focuses on delivering rotors that balance everyday street driving demands with enhanced performance characteristics. This product line is tailored for drivers who require dependable braking with improved heat management and durability, making it suitable for Audi A8 and S8 models used in both daily driving and spirited street performance scenarios.

Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A8, A8 Quattro, and S8
• Addresses brake fade caused by excessive heat during street driving
• Resolves vibration or pulsation issues due to uneven rotor surfaces
• Restores proper rotor thickness for safe braking performance
• Compatible with conventional drum-in-hat brake systems

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces to prevent rotor runout and vibration
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and hardware during rotor replacement for optimal system performance
• Use proper tools to avoid damage to rotor or mounting components

Quality Assurance and Warranty

Raybestos rotors undergo rigorous quality control to meet OEM standards for fit, form, and function. The Specialty - Street Performance rotor line is manufactured to provide consistent braking performance and durability. Warranty coverage details should be confirmed with the product documentation or authorized distributor.