Stoptech 127.61111R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.61111R) are engineered for Ford Mustang models requiring reliable braking performance. These solid rotors feature a coated hat finish and a floating disc mounting design to enhance durability and heat dissipation.

• Compatible with Ford Mustang vehicles
• Part Number: 127.61111R
• Cross-drilled and slotted surface for improved brake pad bite and heat dissipation
• Solid rotor type with a coated hat finish to resist corrosion
• Overall diameter of 12.598 inches (320 mm) and nominal thickness of 0.441 inches (11.2 mm)
• Floating disc mounting for better thermal expansion management
• 5 lug holes with a 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter of 2.795 inches (71 mm)
• Weight approximately 13.85 lbs (6.3 kg)

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat dissipation and pad bite. The combination of cross-drilled holes and precision slots helps reduce brake fade and maintain consistent stopping power under demanding conditions. This product line is suitable for drivers who require reliable and consistent braking on street-driven Ford Mustang vehicles.

Technical Specifications and Features

This disc brake rotor is a solid type with a nominal thickness of 0.441 inches (11.2 mm) and a discard thickness of 0.390 inches (9.9 mm). The rotor's outside diameter measures 12.598 inches (320 mm), ensuring proper fitment and compatibility with the specified Ford Mustang models. The coated hat finish protects against corrosion, extending the rotor's service life. The floating disc mounting design allows for better thermal expansion, reducing the risk of warping during heavy braking. The rotor includes five lug holes with a 4.5 inch (114.3 mm) bolt circle diameter and a center hole diameter of 2.795 inches (71 mm), matching factory specifications.

Common Applications and Problem Solving

• Improves brake pad bite and reduces brake fade during spirited driving
• Helps dissipate heat more effectively to prevent rotor warping
• Reduces brake dust buildup with slotted and drilled surface design
• Restores braking performance on Ford Mustang vehicles with worn or damaged rotors
• Provides corrosion resistance with coated hat finish for longer rotor life

Installation Notes and Tips

Ensure compatibility with your specific Ford Mustang model before installation. Clean the hub surface thoroughly to prevent rotor runout. Use proper torque specifications for lug nuts to avoid rotor distortion. Since bearings and ABS tone rings are not included, verify existing components are in good condition. It is recommended to replace brake pads when installing new rotors to optimize braking performance.

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides additional corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for complete warranty information.