Raybestos 980780PER Disc Brake Rotor - Rear

Overview of Raybestos Disc Brake Rotor 980780PER

The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 980780PER is engineered for reliable braking performance on select Lexus and Toyota models. Designed specifically for vehicles like the Lexus GX460, Toyota 4Runner, and FJ Cruiser, this rotor ensures compatibility and consistent stopping power.

• Part Number: 980780PER
• Compatible with Lexus GX460, Toyota 4Runner, and FJ Cruiser
• Drum-in-hat type rotor design
• Nominal thickness: 0.710 inch (18.050 mm)
• Discard thickness: 0.630 inch (16.000 mm)
• Mounting bolt hole circle diameter: 139.7 mm (5.5 inches)

Detailed Product Features and Specifications

This disc brake rotor features a drum-in-hat design, integrating a drum brake surface within the rotor hat for parking brake functionality. The nominal thickness of 0.710 inches (18.050 mm) provides a solid braking surface, while the discard thickness of 0.630 inches (16.000 mm) indicates the minimum safe thickness before replacement is necessary. The mounting bolt hole circle diameter measures 139.7 mm (5.5 inches), ensuring precise fitment on compatible Lexus and Toyota models. These specifications contribute to consistent brake performance and durability under street driving conditions.

Specialty - Street Performance; S-Groove Technology Line

The Raybestos Specialty - Street Performance; S-Groove Technology product line focuses on delivering rotors designed for street use with enhanced performance characteristics. The S-Groove design helps manage heat dissipation and brake pad wear, which is critical for vehicles like the Toyota 4Runner, FJ Cruiser, and Lexus GX460 that may experience varied driving conditions. This line balances durability and performance without compromising OEM fitment standards.

Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus GX460, Toyota 4Runner, and FJ Cruiser
• Addresses brake pulsation and vibration issues
• Restores proper parking brake function with drum-in-hat design
• Improves braking consistency under normal street driving conditions
• Prevents premature rotor wear due to optimized thickness specifications

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.630 inch) before installation
• Verify mounting bolt hole circle diameter (139.7 mm) matches vehicle hub
• Use proper torque specifications for mounting bolts to avoid rotor warping
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Follow manufacturer guidelines for break-in procedures after installation

Quality Assurance and Warranty

Raybestos disc brake rotors, including part number 980780PER, are manufactured to meet or exceed OEM standards for fit, form, and function. The Specialty - Street Performance; S-Groove Technology line undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or authorized Raybestos distributors.