Stoptech 127.42092R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.42092R) are engineered for INFINITI FX35, FX37, FX45, and QX70 models. Designed to enhance braking performance, these rotors feature a vented, slotted, and cross-drilled surface to improve heat dissipation and reduce brake fade under demanding conditions.

• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design to enhance heat dissipation
• Coated hat finish for corrosion resistance
• Floating disc mounting for better rotor alignment
• Compatible with INFINITI FX35, FX37, FX45, and QX70
• Nominal thickness of 1.339 inches (34.000 mm) with discard thickness at 1.260 inches (32.000 mm)
• Outside diameter of 12.598 inches (320.000 mm) and overall height of 1.937 inches (49.200 mm)
• 5 lug holes with 0.500 inch (12.700 mm) diameter and 4.500 inch (114.300 mm) bolt circle diameter

Detailed Product Description

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are precision-engineered to meet the braking demands of INFINITI FX35, FX37, FX45, and QX70 vehicles. Featuring a vented rotor design with straight vanes, these rotors promote efficient airflow to reduce heat buildup during braking. The cross-drilled and slotted surface helps evacuate gases, dust, and water, maintaining consistent brake pad contact and improving stopping power. The coated hat finish protects against corrosion, extending rotor life. The floating disc mounting design allows for slight rotor movement, reducing stress and improving overall braking smoothness. With a nominal thickness of 1.339 inches and discard thickness of 1.260 inches, these rotors provide a balance of durability and performance.

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed for drivers seeking enhanced braking performance without compromising reliability. This product line combines cross-drilled holes and precision slots to optimize heat dissipation and maintain clean rotor surfaces. The vented rotor design further aids in cooling, making these rotors suitable for spirited driving and daily use. The coated hat finish adds corrosion resistance, ensuring longevity in various driving conditions. This rotor line is engineered to meet the specific fitment and performance needs of vehicles like the INFINITI FX35, FX37, FX45, and QX70.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves braking response in wet or dusty conditions
• Minimizes rotor warping caused by excessive heat
• Helps maintain consistent brake pad contact and performance
• Prevents corrosion on rotor hats for longer service life

Installation Notes and Tips

• Ensure compatibility with INFINITI FX35, FX37, FX45, and QX70 models before installation
• Check rotor thickness and discard limits to confirm replacement necessity
• Use proper torque specifications for lug nuts and mounting bolts
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. 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 StopTech directly for exact warranty terms.