Raybestos 66276 Disc Brake Rotor - Front

Overview of Raybestos 66276 Disc Brake Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 66276, is engineered for reliable braking on Ford, Lincoln, and Mercury vehicles. Designed specifically for models like the Crown Victoria, Grand Marquis, and Town Car, this rotor offers precise fitment and consistent performance.

• Vented disc brake rotor for improved heat dissipation
• Nominal thickness of 1.030 inches (26.150 mm) with discard thickness at 0.972 inches (24.700 mm)
• Overall height of 3.250 inches (82.550 mm)
• Outside diameter measuring 11.080 inches (281.450 mm)
• Five mounting bolt holes with a 4.500 inch (114.300 mm) bolt circle diameter
• Center hole diameter of 2.826 inches (71.800 mm)
• Conventional rotor type compatible with drum-in-hat setups

Detailed Product Specifications

This Raybestos disc brake rotor is vented to enhance cooling during braking, reducing the risk of brake fade under street performance conditions. The rotor’s nominal thickness of 1.030 inches ensures durability and longevity, while the discard thickness of 0.972 inches indicates the minimum safe thickness before replacement is necessary. The overall height of 3.250 inches and outside diameter of 11.080 inches provide a precise fit for the specified Ford, Lincoln, and Mercury models. The rotor features five mounting bolt holes arranged on a 4.500 inch bolt circle diameter, with a center hole diameter of 2.826 inches, ensuring compatibility with the factory hub assembly. This conventional rotor design is suitable for vehicles equipped with drum-in-hat brake systems.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors that meet the demands of street-driven vehicles requiring dependable braking performance. This product line balances durability and heat management, making it suitable for daily driving and moderate performance applications. The 66276 rotor exemplifies this approach by combining vented rotor technology with precise OEM fitment for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
• Improves braking consistency and reduces brake fade during street driving
• Addresses rotor thickness wear beyond discard limits
• Restores proper rotor dimensions for safe brake pad contact
• Compatible with vehicles requiring vented, conventional drum-in-hat rotors

Installation Notes and Tips

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

Quality Assurance and Warranty

Raybestos rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Street Performance line undergoes rigorous quality control to ensure consistent thickness and balanced construction. While specific warranty details for part number 66276 are not provided here, Raybestos typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Raybestos directly for warranty terms.