Stoptech 127.61042L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.61042L) is engineered for Ford Mustang models requiring reliable braking performance. Designed with a solid rotor construction and a coated hat finish, this rotor balances durability and heat dissipation for consistent stopping power.

• Compatible with Ford Mustang vehicles
• Solid disc brake rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Nominal thickness of 0.547 inches (13.9 mm)
• Outside diameter of 10.512 inches (267 mm)
• Floating disc mounting design
• Five lug holes with 0.571 inch (14.5 mm) diameter
• Overall height of 1.965 inches (49.9 mm)
• Weight approximately 11.5 lbs (5.23 kgs)

Detailed Product Description

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor is specifically designed for Ford Mustang models, providing enhanced braking performance through its slotted and drilled surface. The cross-drilled holes improve heat dissipation and help reduce brake fade during aggressive driving, while the slots assist in removing brake dust and gases from the pad surface. The rotor features a solid construction with a coated hat finish to resist corrosion and extend service life. With a nominal thickness of 0.547 inches and a discard thickness of 0.504 inches, this rotor meets precise specifications for safe and effective braking. The floating disc mounting design allows for slight movement to reduce stress and improve rotor longevity. The rotor’s five lug holes and mounting bolt circle diameter of 4.5 inches ensure proper fitment on compatible Ford Mustang models.

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is engineered to provide improved braking performance for street and light track use. Featuring a combination of cross-drilled holes and precision-machined slots, these rotors enhance cooling and pad bite while maintaining structural integrity with a solid rotor design. The coated hat finish offers additional protection against corrosion, making them suitable for daily driving conditions. This product line is designed to meet the demands of performance-oriented vehicles like the Ford Mustang, delivering consistent braking response without compromising durability.

Common Applications and Problem Solving

• Reduces brake fade during spirited driving or track use
• Improves heat dissipation to prevent rotor warping
• Helps remove brake dust and gases for cleaner pad contact
• Resists corrosion with coated hat finish for longer service life
• Maintains consistent braking performance under heavy use

Installation Notes and Tips

• Ensure compatibility with Ford Mustang model year and specifications before installation
• Check rotor thickness and discard thickness to confirm suitability
• Use proper torque specifications for the five lug nuts and mounting bolts
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The coated hat finish provides additional corrosion resistance to extend rotor life. While specific warranty details for part number 127.61042L are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. It is recommended to consult the product documentation or StopTech directly for exact warranty terms.