Raybestos 680305R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 680305R

The Raybestos R-Line 680305R disc brake rotor is engineered for reliable braking performance on Ford F-350 Super Duty trucks. Designed as a vented, conventional rotor, it offers effective heat dissipation and consistent stopping power under demanding conditions.

• Vented disc brake rotor for improved heat management
• Overall height of 3.875 inches (98.4 mm) ensures proper fitment
• Outside diameter measures 14.530 inches (369.05 mm)
• Mounting bolt hole quantity: 10 for secure installation
• Center hole diameter of 5.085 inches (129.15 mm) for precise alignment
• Nominal thickness of 1.535 inches (39.0 mm) with discard thickness at 1.472 inches (37.4 mm)
• Compatible with Ford F-350 Super Duty models

Raybestos R-Line Product Line Details

The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM specifications. This line emphasizes durability and consistent performance, making it suitable for heavy-duty applications such as the Ford F-350 Super Duty. The 680305R rotor is part of this line, providing a balance of quality and value for professional and DIY brake maintenance.

Technical Specifications and Features

This Raybestos R-Line disc brake rotor features a vented design that enhances cooling by allowing air to flow between the rotor surfaces, reducing the risk of brake fade during extended use. The rotor's nominal thickness of 1.535 inches (39.0 mm) ensures structural integrity, while the discard thickness of 1.472 inches (37.4 mm) indicates when replacement is necessary to maintain safe braking performance. The rotor includes 10 mounting bolt holes and lug holes, with a mounting bolt hole circle diameter of 6.693 inches (170.0 mm), ensuring compatibility with the Ford F-350 Super Duty's hub assembly. The overall height of 3.875 inches (98.4 mm) and center hole diameter of 5.085 inches (129.15 mm) provide precise fitment and alignment.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-350 Super Duty vehicles
• Addresses brake noise and vibration issues caused by uneven rotor surfaces
• Improves braking consistency and heat dissipation during heavy towing or hauling
• Restores proper rotor thickness to maintain safe stopping distances
• Suitable for conventional brake systems requiring vented rotors

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of rust or debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. Use a calibrated torque wrench to tighten mounting bolts to the manufacturer's recommended torque settings. Inspect brake pads for wear and replace if necessary to optimize rotor performance. It is advisable to machine or replace rotors in pairs to maintain balanced braking.

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Refer to Raybestos documentation or authorized distributors for complete warranty information.