Raybestos 9991R Disc Brake Rotor - Front

Overview of Raybestos R-Line Disc Brake Rotor 9991R

The Raybestos R-Line Disc Brake Rotor 9991R is engineered for reliable braking performance on Nissan 720 models. Designed as a vented, conventional rotor, it offers precise fitment and durability for your vehicle's braking system.

• Compatible with Nissan 720 vehicles
• Vented disc brake rotor design for improved heat dissipation
• Overall diameter of 9.835 inches (249.8 mm)
• Nominal thickness of 0.865 inches (21.95 mm) with discard thickness at 0.790 inches (20.05 mm)
• Six mounting bolt holes with a 4.055 inch (103 mm) bolt circle diameter
• Center hole diameter of 3.191 inches (81.05 mm)
• Overall height of 1.185 inches (30.1 mm)

Raybestos R-Line Product Line Details

The R-Line by Raybestos focuses on delivering dependable brake components that meet OEM specifications. This product line emphasizes consistent quality and fitment, making the 9991R rotor a suitable replacement part for Nissan 720 owners seeking a direct-fit disc brake rotor with vented design for enhanced cooling.

Technical Specifications and Features

The 9991R disc brake rotor features a vented design that helps reduce heat buildup during braking, which can improve rotor longevity and braking consistency. With a nominal thickness of 0.865 inches and a discard thickness of 0.790 inches, this rotor provides clear service limits for maintenance. The six mounting bolt holes and 4.055 inch bolt circle diameter ensure secure installation on compatible Nissan 720 models. The overall height of 1.185 inches and center hole diameter of 3.191 inches contribute to precise alignment and fitment.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Nissan 720 vehicles
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during heavy use
• Restores proper rotor thickness for safe braking performance
• Compatible with vehicles requiring a vented, conventional disc brake rotor

Installation Notes and Tips

• Verify compatibility with Nissan 720 before installation
• Inspect mounting surfaces and hardware for wear or damage
• Ensure rotor thickness is above discard thickness before reuse
• Follow manufacturer torque specifications for mounting bolts
• Consider replacing brake pads simultaneously for optimal performance

Quality Assurance and Warranty

Raybestos R-Line rotors are manufactured to meet or exceed OEM standards, ensuring consistent quality and performance. While specific warranty details for part number 9991R should be confirmed with the supplier, Raybestos typically offers coverage against defects in materials and workmanship to support long-term reliability.