Raybestos 780774R Disc Brake Rotor - Front

Raybestos R-Line 780774R Disc Brake Rotor Overview

The Raybestos R-Line 780774R disc brake rotor is engineered for reliable braking performance and durability. Designed with vented construction and precise dimensions, this rotor supports effective heat dissipation and consistent stopping power for compatible vehicles.

• Vented disc brake rotor with smooth surface finish
• Overall outside diameter of 15.362 inches (390.2 mm)
• Nominal thickness of 1.540 inches (39.1 mm) with discard thickness at 1.472 inches (37.4 mm)
• Inside diameter measures 10.624 inches (269.85 mm)
• Mounting bolt hole quantity: 10 with 0.673 inch (17.1 mm) diameter holes
• Center hole diameter of 4.923 inches (125.05 mm)
• Conventional rotor type with vented design for heat management

Detailed Product Specifications

The 780774R rotor features a vented design that improves airflow and heat dissipation during braking, reducing the risk of brake fade under heavy use. Its smooth surface type ensures consistent pad contact and braking efficiency. The rotor’s overall height is 4.363 inches (110.8 mm), and it includes 10 mounting bolt holes arranged on a 6.693 inch (170 mm) bolt circle diameter. This conventional rotor is designed to meet the specifications required for vehicles needing a 10-lug bolt pattern and a center hole diameter of approximately 4.923 inches.

Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM standards. This line emphasizes quality materials and precise manufacturing processes to provide rotors that maintain consistent performance and durability. The 780774R rotor is part of this line, offering a balance of performance and reliability for vehicles requiring vented disc brake rotors with specific fitment requirements.

Applications and Problem Solving

• Replacement for worn or warped rotors causing vibration or noise during braking
• Upgrading from solid to vented rotors for improved heat dissipation
• Addressing brake fade issues in vehicles with heavy braking demands
• Restoring proper rotor thickness to maintain braking efficiency and safety
• Ensuring compatibility with vehicles requiring a 10-lug bolt pattern and specific rotor dimensions

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 1.472 inches (37.4 mm). Proper cleaning of the rotor surface before mounting is recommended to remove any protective coatings or debris. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. Use appropriate torque settings on lug nuts to avoid rotor warping during installation.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet strict quality control standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 780774R are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Refer to Raybestos documentation or authorized distributors for exact warranty terms.