Raybestos 66654 Disc Brake Rotor and Hub Assembly - Front

Overview of Raybestos 66654 Disc Brake Rotor and Hub Assembly

The Raybestos Specialty - Truck 66654 disc brake rotor and hub assembly is engineered for reliable braking performance on select Ford trucks. Designed specifically for Ford F-150, F-150 Heritage, F-250, and F-250 HD models, this assembly ensures proper fitment and consistent operation under demanding conditions.

• Compatible with Ford F-150, F-150 Heritage, F-250, and F-250 HD
• Includes disc brake rotor and hub assembly in one unit
• Mounting bolt hole quantity: 7 for secure installation
• Mounting bolt hole circle diameter: 150 mm (5.906 inches)
• Mounting bolt hole diameter: 14.3 mm (0.563 inches)
• Nominal rotor thickness: 30.1 mm (1.185 inches)
• Discard rotor thickness: 27.7 mm (1.091 inches)
• Stud/lug hole quantity: 7 for proper wheel alignment

Detailed Product Description and Specifications

This disc brake rotor and hub assembly, part number 66654, is part of the Raybestos Specialty - Truck product line, which focuses on components tailored for truck applications requiring durability and precise fitment. The assembly features a nominal rotor thickness of 30.1 mm (1.185 inches), providing sufficient material for wear and heat dissipation. The discard thickness is 27.7 mm (1.091 inches), indicating the minimum safe thickness before replacement is necessary.

The mounting bolt pattern includes 7 holes with a circle diameter of 150 mm (5.906 inches) and a bolt hole diameter of 14.3 mm (0.563 inches), ensuring compatibility with the specified Ford truck models. The 7 stud/lug holes facilitate proper wheel mounting and alignment, critical for vehicle safety and performance.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150 and F-250 trucks
• Addresses brake pulsation and vibration issues caused by rotor damage
• Restores proper wheel hub alignment and mounting integrity
• Prevents brake fade by maintaining correct rotor thickness
• Suitable for trucks requiring a 7-bolt mounting pattern with 150 mm bolt circle diameter

Installation Notes and Tips

• Verify vehicle compatibility with Ford F-150, F-150 Heritage, F-250, or F-250 HD before installation
• Ensure mounting surfaces are clean and free of debris for proper fitment
• Torque mounting bolts to manufacturer specifications to avoid warping
• Inspect wheel studs and lug nuts for wear during installation
• Check rotor thickness regularly to determine when replacement is necessary

Quality Assurance and Warranty

Raybestos Specialty - Truck parts are manufactured to meet or exceed OEM standards for durability and performance. The 66654 disc brake rotor and hub assembly undergoes rigorous quality control to ensure consistent fit and function. Warranty coverage details should be confirmed with the product documentation or supplier.