Raybestos 66443R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 66443R

The Raybestos R-Line 66443R disc brake rotor is engineered for Ford Mustang models requiring reliable braking performance. This vented, conventional rotor is designed to meet precise fitment specifications, ensuring consistent stopping power and durability.

• Compatible with Ford Mustang vehicles
• Vented disc brake rotor for improved heat dissipation
• Overall diameter: 10.865 inches (275.95 mm)
• Nominal thickness: 1.025 inches (26.05 mm)
• Discard thickness: 0.974 inches (24.75 mm)
• Mounting bolt hole quantity: 5 with 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter: 2.797 inches (71.05 mm)
• Conventional rotor type with solid mounting design

Detailed Specifications and Features

The Raybestos R-Line 66443R rotor features a vented design that enhances cooling efficiency during braking, reducing the risk of brake fade under demanding conditions. With an outside diameter of 10.865 inches and a nominal thickness of 1.025 inches, this rotor maintains structural integrity and consistent performance throughout its service life. The discard thickness of 0.974 inches indicates the minimum allowable thickness before replacement is necessary, helping maintain safe braking standards.

Mounting is facilitated by five bolt holes arranged on a 4.5-inch bolt circle diameter, matching the Ford Mustang's factory specifications. The center hole diameter of 2.797 inches ensures proper alignment and fitment on the vehicle's hub assembly. This conventional, vented rotor is designed for direct replacement applications, providing a precise fit without modification.

About the Raybestos R-Line Product Line

The R-Line by Raybestos is a product line focused on delivering dependable brake components that meet or exceed OEM standards. This line emphasizes quality materials and manufacturing processes to provide rotors that offer consistent performance and durability. The 66443R rotor is part of this line, designed specifically for vehicles like the Ford Mustang that require reliable braking under various driving conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving overheating issues with vented rotor design for better heat dissipation
• Fixing noise or vibration related to rotor surface irregularities
• Ensuring proper fitment for Ford Mustang brake systems requiring 5-bolt mounting

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your Ford Mustang before installation
• Inspect hub surface for cleanliness and damage to ensure proper rotor seating
• Torque mounting bolts to manufacturer specifications to avoid rotor warping
• Replace brake pads simultaneously to maintain optimal braking performance
• Check rotor thickness regularly and replace when reaching discard thickness of 0.974 inches

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details for part number 66443R may vary, Raybestos typically offers coverage against defects in materials and workmanship. Always consult product documentation or authorized sources for exact warranty terms.