Stoptech 128.42076L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.42076L is engineered for enhanced braking performance on Nissan 350Z and Infiniti G35 models. Designed with vented construction and cross-drilled surface, this rotor improves heat dissipation and reduces brake fade during demanding driving conditions.

• Cross-drilled surface for improved heat dissipation
• Vented rotor design with pillar-style vanes
• Coated hat finish to resist corrosion
• Floating disc mounting for better thermal expansion
• Compatible with Nissan 350Z and Infiniti G35
• Part number 128.42076L for precise fitment

Detailed Product Features and Specifications

This disc brake rotor features a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.118 inches (28.400 mm), ensuring reliable service life and safety margins. The rotor’s outside diameter measures 12.756 inches (324.000 mm), providing ample braking surface area. The overall height is 1.933 inches (49.100 mm), and the center hole diameter is 2.677 inches (68.000 mm). It includes five stud/lug holes with a diameter of 0.500 inches (12.700 mm) arranged on a 4.500 inch (114.300 mm) bolt circle diameter. The rotor weighs approximately 20.5 lbs (9.32 kgs), balancing durability and weight considerations.

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide improved braking performance through enhanced cooling and reduced brake fade. The cross-drilled surface pattern allows for better heat and gas dissipation, while the vented rotor design with pillar-style vanes promotes airflow to maintain optimal operating temperatures. The coated hat finish helps protect against corrosion, extending rotor life. This product line is suitable for drivers seeking reliable, performance-oriented braking components for their Nissan 350Z or Infiniti G35.

Common Applications and Problem Solving

• Reduces brake fade during spirited driving or track use
• Improves heat dissipation to prevent rotor warping
• Enhances braking response and pedal feel
• Resists corrosion with coated hat finish
• Provides consistent braking performance under heavy loads

Installation Notes and Tips

Ensure the rotor is installed on compatible Nissan 350Z or Infiniti G35 models using the correct part number 128.42076L. Verify that the mounting bolt hole circle diameter and stud/lug hole specifications match the vehicle hub. Clean the rotor surface before installation to remove any protective coatings or residues. Proper torque specifications should be followed for mounting bolts to avoid rotor distortion. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The rotors undergo strict quality control processes to maintain dimensional accuracy and material integrity. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.