Stoptech 128.42080R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.42080R) are engineered for enhanced braking performance on select Infiniti and Nissan vehicles. Designed with precision, these rotors provide reliable stopping power and improved heat dissipation for models like the Nissan 350Z, 370Z, Altima, and Infiniti G35.

• Cross-drilled surface for improved heat dissipation and reduced brake fade
• Vented rotor design to enhance cooling efficiency
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better rotor alignment and performance
• Compatible with multiple Infiniti and Nissan models including 350Z, 370Z, Maxima, and Q70

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on delivering rotors with cross-drilled surfaces and vented designs to optimize braking under demanding conditions. This product line balances durability and performance by incorporating a coated hat finish and floating disc mounting, which helps maintain rotor integrity and consistent braking feel. The 128.42080R rotor is part of this line, tailored for specific Infiniti and Nissan vehicles requiring precise fitment and reliable stopping power.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.106 inches (28.1 mm) and a discard thickness of 1.024 inches (26.0 mm), ensuring a solid lifespan before replacement is necessary. The rotor has an outside diameter of 12.583 inches (319.6 mm) and an overall height of 1.937 inches (49.2 mm). It includes a 5-lug hole pattern with a 4.5-inch (114.3 mm) bolt circle diameter and a center hole diameter of 2.677 inches (68.0 mm). The rotor weighs approximately 22.5 lbs (10.23 kg) and features straight vane style ventilation to promote effective heat dissipation during braking.

Compatible Vehicles and Applications

• Infiniti models: EX35, EX37, FX35, FX45, G25, G35, G37, M35, M35h, M37, M45, M56, Q40, Q70, Q70L, QX50, QX70
• Nissan models: 350Z, 370Z, Altima, Maxima, Murano

These rotors are designed to replace factory components and provide consistent braking performance for these specific vehicles.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during aggressive driving
• Uneven rotor wear leading to vibration or noise
• Corrosion and rust on rotor surfaces reducing braking efficiency
• Insufficient cooling in stock rotors under high-performance conditions
• Warping or distortion from thermal stress

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.024 inches) before installation
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to maximize rotor performance
• Clean rotor surface with brake cleaner before installation to remove any protective coatings

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides 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. Always consult the product documentation or manufacturer for exact warranty terms.