Stoptech 127.45040R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.45040R is engineered for reliable braking performance on Ford Escort, Mazda MX-3, Mercury Protege, and Tracer models. Designed to enhance heat dissipation and maintain consistent stopping power, this vented rotor features a coated hat finish for corrosion resistance.

• Cross-drilled and slotted surface for improved brake pad bite and heat dissipation
• Vented rotor design with straight vanes to reduce brake fade
• Coated hat finish to protect against rust and corrosion
• Floating disc mounting for better rotor alignment and performance
• Compatible with Ford Escort, Mazda MX-3, Mercury Protege, and Tracer
• Nominal thickness of 0.866 inches (22.000 mm) with discard thickness at 0.787 inches (20.000 mm)
• Overall diameter of 10.118 inches (257.000 mm) and height of 1.772 inches (45.000 mm)
• Part number 127.45040R for precise identification

Detailed Product Description

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (part number 127.45040R) is designed to meet the braking demands of specific Ford, Mazda, and Mercury vehicles. The rotor’s vented construction with straight vanes allows for efficient airflow, reducing heat buildup during aggressive braking. The cross-drilled and slotted surface improves pad bite and helps evacuate gases and debris, which can otherwise reduce braking efficiency. The coated hat finish adds a layer of protection against corrosion, extending the rotor’s service life. With a floating disc mounting design, this rotor ensures better alignment and reduces the risk of warping under high stress.

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine enhanced cooling features with durability. This product line is engineered to provide consistent braking performance under demanding conditions, making it suitable for drivers who require reliable stopping power on street and light track use. The cross-drilled and slotted design is a hallmark of this line, aimed at improving pad contact and heat dissipation without compromising rotor strength.

Common Applications and Issues Addressed

• Reduces brake fade caused by excessive heat buildup
• Improves braking response and pad bite on Ford Escort, Mazda MX-3, Mercury Protege, and Tracer
• Minimizes rotor warping and cracking under stress
• Helps prevent corrosion on rotor hats with coated finish
• Maintains consistent braking performance during aggressive driving

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Check rotor thickness and discard limits (nominal thickness 0.866 inches, discard at 0.787 inches) during installation and maintenance
• Use proper torque specifications on mounting bolts to avoid rotor distortion
• Inspect brake pads and calipers for wear or damage when replacing rotors
• Floating disc mounting requires correct alignment for optimal performance

Quality Assurance and Warranty

StopTech rotors are manufactured to meet strict quality standards, ensuring durability and consistent performance. The 127.45040R rotor undergoes rigorous testing to comply with OEM specifications for Ford, Mazda, and Mercury vehicles. While specific warranty details 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 manufacturer for exact warranty terms.