Stoptech 127.42076L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.42076L) are engineered for enhanced braking performance on Nissan 350Z and Infiniti G35 models. Designed to improve heat dissipation and reduce brake fade, these rotors offer reliable stopping power for both street and spirited driving conditions.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design with pillar-style vanes for efficient cooling
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better rotor alignment and reduced warping
• Compatible with Nissan 350Z and Infiniti G35 vehicles
• Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.118 inches (28.400 mm)
• Outside diameter of 12.756 inches (324.000 mm) with 5 lug holes

Detailed Product Features and Specifications

This StopTech rotor features a vented design with pillar-style vanes that promote airflow to keep the rotor cool during heavy braking. The cross-drilled and slotted surface helps to evacuate gases, dust, and water, improving pad bite and reducing brake fade. The coated hat finish protects the rotor from rust and corrosion, maintaining structural integrity over time. With a floating disc mounting system, the rotor allows slight movement to reduce stress and prevent warping under high thermal loads.

Key dimensions include a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.118 inches (28.400 mm), ensuring the rotor meets OEM specifications for safe operation. The rotor’s outside diameter measures 12.756 inches (324.000 mm), and it features a 5-lug hole pattern with a 4.5-inch (114.300 mm) bolt circle diameter, making it a direct replacement for compatible Nissan 350Z and Infiniti G35 models.

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and pad cleaning. This product line focuses on delivering rotors that reduce brake fade and maintain consistent pedal feel under demanding conditions. The combination of cross-drilled holes and precision slots helps maintain optimal friction surface contact, making these rotors suitable for drivers seeking reliable performance upgrades on their Nissan 350Z or Infiniti G35.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or track use
• Improves wet weather braking by evacuating water from the rotor surface
• Minimizes brake dust buildup for cleaner rotor and pad contact
• Prevents rotor warping caused by thermal stress
• Restores braking performance on worn or rusted OEM rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.118 inches) before installation
• Use proper torque specifications for the 5-lug mounting pattern
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface with brake cleaner before installation to remove any protective coatings
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards 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.