Raybestos 980429 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 980429, is engineered for Audi A8 and A8 Quattro models. Designed to meet specific fitment requirements, this vented rotor offers reliable braking performance tailored for these vehicles.

• Compatible with Audi A8 and A8 Quattro
• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.346 inches (59.600 mm)
• Outside diameter: 12.717 inches (323.000 mm)
• Mounting bolt hole quantity: 10 with 0.597 inch (15.150 mm) diameter
• Center hole diameter: 2.677 inches (68.000 mm)
• Nominal thickness: 1.181 inches (30.000 mm)
• Discard thickness: 1.102 inches (28.000 mm)
• Conventional rotor type with drum-in-hat design

Detailed Product Description

This Raybestos disc brake rotor (part number 980429) is specifically designed for Audi A8 and A8 Quattro vehicles, ensuring precise fitment and optimal braking performance. The rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade under demanding conditions. With an overall height of 2.346 inches (59.600 mm) and an outside diameter of 12.717 inches (323.000 mm), it matches the original equipment specifications for these models.

The rotor includes 10 mounting bolt holes with a bolt circle diameter of 4.409 inches (112.000 mm) and a hole diameter of 0.597 inches (15.150 mm), providing secure attachment. The center hole diameter of 2.677 inches (68.000 mm) ensures proper alignment on the hub. Nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.102 inches (28.000 mm), indicating when the rotor should be replaced to maintain safe braking performance.

About the Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors engineered for street-driven vehicles requiring dependable braking under everyday and spirited driving conditions. This product line balances durability and performance, making it suitable for Audi A8 and A8 Quattro owners seeking replacement rotors that meet or exceed factory specifications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Audi A8 and A8 Quattro
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat management to reduce brake fade during extended use
• Restores proper rotor thickness for consistent braking response
• Ensures secure fitment with correct bolt hole pattern and dimensions

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern match your Audi A8 or A8 Quattro before installation
• Inspect brake pads and hardware for wear and replace as necessary
• Clean mounting surfaces to ensure proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos rotors undergo rigorous quality control to meet industry standards for durability and performance. The Specialty - Street Performance rotors are manufactured to precise tolerances to ensure consistent fit and function. Warranty coverage details should be confirmed with the product documentation or manufacturer, as they may vary by region and application.