Stoptech 127.45041L Disc Brake Rotor - Rear Left

Overview of StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.45041L) are engineered for reliable braking performance on select Ford, Mazda, and Mercury vehicles. Designed specifically for models like the Ford Escort, Mazda Miata, MX-3, Protege, and Mercury Tracer, these rotors offer enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Solid rotor design with a coated hat finish for corrosion resistance
• Nominal thickness of 0.354 inches (9.000 mm) with discard thickness at 0.315 inches (8.000 mm)
• Overall diameter of 9.882 inches (251.000 mm) and height of 1.378 inches (35.000 mm)
• Floating disc mounting with 4 lug holes and 3 additional miscellaneous holes
• Compatible with ABS systems without tone ring included
• Weight approximately 6.0 lbs (2.73 kgs) for balanced performance

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering rotors that combine cross-drilled holes and precision slots to enhance braking efficiency. This design helps reduce brake fade by improving airflow and removing debris from the rotor surface. The coated hat finish protects against corrosion, extending rotor life, while the solid rotor construction provides consistent braking performance under normal and spirited driving conditions.

Technical Specifications and Compatibility

This disc brake rotor features a solid design with a 9.882-inch outside diameter and a nominal thickness of 0.354 inches, ensuring compatibility with the braking systems of Ford Escort, Mazda Miata, MX-3, Protege, and Mercury Tracer models. The rotor includes a floating disc mounting system with a 100 mm bolt circle diameter and 4 lug holes sized at 0.512 inches. The center hole diameter measures 2.165 inches, designed to fit precisely on the vehicle hub. Note that this rotor does not include bearings or an ABS tone ring.

Applications and Problem Solving

• Improves heat dissipation to reduce brake fade during extended use
• Helps maintain consistent braking performance under varied driving conditions
• Reduces buildup of brake dust and gases with slotted and drilled surface
• Prevents corrosion with coated hat finish for longer rotor life
• Compatible replacement for worn or warped rotors on specified Ford, Mazda, and Mercury models

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.315 inches) before installation
• Verify compatibility with vehicle make and model: Ford Escort, Mazda Miata, MX-3, Protege, Mercury Tracer
• Use proper torque specifications for the 4 lug bolts on the 100 mm bolt circle
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Clean rotor surface before installation to remove any protective coatings or residues

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides corrosion resistance, contributing to the rotor's durability. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.