Raybestos 66276R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 66276R

The Raybestos R-Line Disc Brake Rotor 66276R is engineered for reliable braking performance on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models. Designed as a vented conventional rotor, it offers effective heat dissipation and consistent stopping power for these vehicles.

• Vented disc brake rotor for improved heat management
• Overall height: 3.250 inches (82.550 mm)
• Outside diameter: 11.080 inches (281.450 mm)
• Mounting bolt hole quantity: 5 with 0.595 inch (15.100 mm) diameter holes
• Center hole diameter: 2.826 inches (71.800 mm)
• Nominal thickness: 1.030 inches (26.150 mm)
• Discard thickness: 0.972 inches (24.700 mm)
• Compatible with Ford, Lincoln, and Mercury full-size sedans

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet or exceed OEM specifications. This product line emphasizes durability and consistent performance, making it suitable for vehicles like the Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis. The 66276R rotor is part of this line, ensuring compatibility and quality for these specific applications.

Technical Specifications and Features

This vented disc brake rotor features a conventional design optimized for heat dissipation during braking. The rotor’s overall height measures 3.250 inches (82.550 mm), with an outside diameter of 11.080 inches (281.450 mm), providing the correct fitment for the specified vehicle models. It includes five mounting bolt holes with a diameter of 0.595 inches (15.100 mm) arranged on a 4.500 inch (114.300 mm) bolt circle diameter. The center hole diameter is 2.826 inches (71.800 mm), ensuring proper alignment on the hub. The nominal thickness of 1.030 inches (26.150 mm) and discard thickness of 0.972 inches (24.700 mm) define the rotor’s usable lifespan and replacement threshold.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves braking performance by restoring proper rotor thickness and heat dissipation
• Reduces brake fade during extended or heavy braking conditions
• Ensures safe and consistent stopping power for full-size sedans

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean mounting surfaces and hub to prevent rotor runout
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Perform a bed-in procedure after installation to ensure proper rotor and pad contact

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet OEM standards for fit, form, and function. The 66276R rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.