Raybestos 66744 Disc Brake Rotor - Front

Overview of Raybestos 66744 Disc Brake Rotor

The Raybestos Specialty - Street Performance disc brake rotor, part number 66744, is engineered for reliable braking performance on Ford, Lincoln, and Mercury vehicles. Designed specifically for models like the Crown Victoria, Grand Marquis, and Town Car, this rotor meets precise specifications to ensure proper fit and function.

• Vented disc brake rotor for improved heat dissipation
• Overall height: 2.590 inches (65.800 mm)
• Outside diameter: 12.440 inches (316.000 mm)
• Nominal thickness: 1.105 inches (28.050 mm)
• Discard thickness: 1.014 inches (25.750 mm)
• 5 mounting bolt holes with 0.595 inch (15.100 mm) diameter
• Center hole diameter: 2.826 inches (71.800 mm)
• Conventional rotor type with 5 stud/lug holes

Detailed Product Specifications

This Raybestos disc brake rotor is a vented, conventional type designed to fit vehicles requiring a 5-bolt mounting pattern with a bolt circle diameter of 4.500 inches (114.300 mm). The rotor's nominal thickness of 1.105 inches (28.050 mm) ensures durability and consistent braking performance, while the discard thickness of 1.014 inches (25.750 mm) indicates the minimum safe thickness before replacement is necessary. The overall height of 2.590 inches (65.800 mm) and outside diameter of 12.440 inches (316.000 mm) are engineered to match the exact fitment requirements of Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models.

Specialty - Street Performance Product Line

The Raybestos Specialty - Street Performance line focuses on delivering rotors that balance street driving demands with enhanced performance characteristics. This product line is tailored for drivers who require dependable braking under typical street conditions, providing vented rotors that help manage heat buildup and maintain consistent stopping power. The 66744 rotor exemplifies this approach by combining precise fitment with vented design for improved thermal management.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
• Addresses brake fade caused by excessive heat during street driving
• Resolves vibration or pulsation issues due to rotor thickness below discard limits
• Improves braking consistency with vented rotor design
• Compatible with vehicles requiring a 5-bolt mounting pattern and conventional rotor type

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your vehicle before installation
• Ensure rotor thickness is above discard thickness to maintain safety and performance
• Clean rotor surface and hub mounting area to prevent uneven wear or noise
• Torque mounting bolts to manufacturer specifications for secure fitment
• Inspect brake pads and hardware during rotor replacement for optimal braking system function

Quality Assurance and Warranty

Raybestos rotors, including part number 66744, 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 performance and durability. While specific warranty details may vary, Raybestos typically offers coverage against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.