Raybestos 66489 Disc Brake Rotor - Front

Overview of Raybestos Specialty - Street Performance Rotor 66489

The Raybestos Specialty - Street Performance disc brake rotor 66489 is engineered for reliable braking performance on select Ford and Mercury vehicles. Designed specifically for models like the Ford Contour, Mercury Cougar, and Mercury Mystique, this vented rotor meets precise fitment and thickness specifications to maintain optimal braking efficiency.

• Vented disc brake rotor for improved heat dissipation
• Nominal thickness of 0.945 inches (24.000 mm) ensuring durability
• Discard thickness at 0.874 inches (22.200 mm) for safe replacement guidelines
• Overall height of 1.850 inches (47.000 mm) for proper caliper clearance
• Outside diameter of 10.230 inches (259.850 mm) matching OEM dimensions
• Four mounting bolt holes with a 4.250 inch (107.950 mm) bolt circle diameter
• Center hole diameter of 2.498 inches (63.450 mm) for accurate hub fitment
• Conventional rotor type compatible with drum-in-hat setups

Details on Raybestos Specialty - Street Performance Brake Rotors

The Specialty - Street Performance line by Raybestos focuses on delivering rotors that balance street driving demands with performance-oriented features. This product line is tailored for drivers who require dependable braking under typical street conditions while maintaining OEM fit and finish. The 66489 rotor is vented to enhance cooling during braking, reducing the risk of brake fade on vehicles such as the Ford Contour, Mercury Cougar, and Mercury Mystique. Its conventional design supports drum-in-hat configurations, making it suitable for specific brake system setups on these models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Contour, Mercury Cougar, and Mercury Mystique
• Addresses brake pulsation caused by uneven rotor thickness
• Improves heat dissipation to reduce brake fade during extended use
• Restores proper rotor thickness to maintain braking performance and safety
• Compatible with vehicles requiring a 4-bolt mounting pattern and vented rotor design

Installation Notes and Tips

• Verify rotor dimensions against existing parts to ensure proper fitment
• Inspect mounting bolt holes and center hole diameter for alignment
• Check caliper clearance with the 1.850 inch overall height specification
• Replace brake pads simultaneously to optimize braking system performance
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Raybestos rotors, including the Specialty - Street Performance 66489, are manufactured to meet or exceed OEM standards for fit, form, and function. The vented rotor design supports consistent braking performance and durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or Raybestos directly for warranty terms related to part number 66489.