Raybestos 981066 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 981066, is engineered for precise fitment on select BMW models including the 228i, 328i, and 428i series. Designed to meet the demands of street performance driving, this vented rotor offers reliable braking performance and durability.

• Compatible with BMW 228i, 228i xDrive, 328d, 328d xDrive, 328i, 328i GT xDrive, 328i xDrive, 330e, 428i, 428i Gran Coupe, 428i xDrive, and 428i xDrive Gran Coupe
• Vented disc brake rotor with smooth surface for consistent pad contact
• Overall height: 2.882 inches (73.2 mm)
• Outside diameter: 12.988 inches (329.9 mm)
• Nominal thickness: 0.945 inches (24.0 mm); discard thickness: 0.882 inches (22.4 mm)
• Five mounting bolt holes with 0.657 inch (16.7 mm) diameter and 4.724 inch (120 mm) bolt circle diameter
• Center hole diameter: 3.110 inches (79.0 mm)
• Conventional rotor type with drum-in-hat design

Detailed Product Description

This Raybestos disc brake rotor (part number 981066) is part of the Specialty - Street Performance line, which focuses on delivering dependable braking components tailored for street-driven vehicles requiring enhanced performance. The rotor features a vented design that improves heat dissipation during braking, reducing the risk of brake fade under normal and spirited driving conditions. Its smooth surface ensures even pad wear and consistent braking response.

With a nominal thickness of 0.945 inches and a discard thickness of 0.882 inches, this rotor maintains structural integrity and safety throughout its service life. The 12.988-inch outside diameter and 2.882-inch overall height are engineered to match the OEM specifications for the compatible BMW models, ensuring proper fit and function. The five mounting bolt holes and center hole diameter are designed for secure installation on the specified vehicles.

Applications and Problem Solving

• Replacement for worn or warped rotors on BMW 228i and 328i xDrive models
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat management to reduce brake fade during street performance driving
• Restores proper rotor thickness for safe braking operation
• Compatible upgrade for BMW 428i Gran Coupe brake system maintenance

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your specific BMW model before installation
• Inspect brake pads and hardware for wear and replace as necessary to ensure optimal braking performance
• Clean rotor surface with brake cleaner prior to installation to remove any protective coatings
• Torque mounting bolts to manufacturer specifications to prevent rotor warping
• Perform a bed-in procedure after installation to ensure proper pad and rotor mating

Quality Assurance and Warranty

Raybestos Specialty - Street Performance rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Raybestos directly for warranty terms related to part number 981066.