Raybestos 681955PER Disc Brake Rotor - Rear

Overview of Raybestos Disc Brake Rotor 681955PER for Ford Mustang

The Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 681955PER is engineered for Ford Mustang models requiring reliable braking performance. Designed with precise dimensions and vented construction, this rotor supports consistent heat dissipation and durability under street driving conditions.

• Compatible with Ford Mustang vehicles
• Part number 681955PER for exact fitment
• Vented disc brake rotor design for improved cooling
• Nominal thickness of 0.984 inches (25.000 mm)
• Discard thickness at 0.925 inches (23.500 mm)
• Outside diameter of 12.992 inches (330.000 mm)
• Inside diameter of 9.685 inches (246.000 mm)
• Five mounting bolt holes with 0.622 inch (15.800 mm) diameter
• Center hole diameter of 2.795 inches (71.000 mm)
• Overall height of 1.713 inches (43.500 mm)

Detailed Product Specifications and Features

This Raybestos disc brake rotor 681955PER features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade on the Ford Mustang. The rotor’s nominal thickness of 0.984 inches (25.000 mm) ensures structural integrity, while the discard thickness of 0.925 inches (23.500 mm) indicates the minimum safe thickness for replacement. The rotor measures 12.992 inches (330.000 mm) in outside diameter and 9.685 inches (246.000 mm) inside diameter, matching the Mustang’s brake system requirements. It includes five mounting bolt holes arranged on a 4.500 inch (114.300 mm) bolt circle diameter, with each hole sized at 0.622 inches (15.800 mm), ensuring proper fitment and secure installation.

Specialty - Street Performance; S-Groove Technology Line

The Raybestos Specialty - Street Performance; S-Groove Technology product line focuses on delivering rotors designed for street performance applications. This line incorporates advanced groove technology to improve pad bite and reduce brake dust accumulation, contributing to consistent braking feel and rotor longevity. The 681955PER rotor benefits from this technology, making it suitable for Ford Mustang drivers seeking dependable street-level braking performance without compromising rotor durability.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Mustang models
• Addresses brake fade caused by excessive heat buildup
• Resolves vibration or pulsation issues during braking
• Improves braking consistency for street performance driving
• Suitable for rotors that have reached discard thickness limits

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your Ford Mustang before installation
• Inspect brake pads and hardware for wear and replace as necessary
• Ensure proper torque specifications on mounting bolts to avoid rotor warping
• Clean rotor surface before installation to remove any protective coatings
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Raybestos disc brake rotors, including part number 681955PER, are manufactured to meet or exceed OEM specifications for fit, form, and function. The Specialty - Street Performance; S-Groove Technology line undergoes rigorous quality control to ensure durability and consistent performance. Warranty coverage details should be confirmed with the product documentation or authorized distributor.