Stoptech 128.42101L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.42101L is engineered for enhanced braking performance on Nissan and Infiniti vehicles. Designed specifically for models like the 350Z, 370Z, G37, and Q60, this vented rotor offers reliable heat dissipation and consistent stopping power.

• Cross-drilled surface for improved heat and gas dissipation
• Vented rotor design with straight vane style for optimal cooling
• Coated hat finish to resist corrosion and extend rotor life
• Precision fit with 5 lug holes and 114.3 mm bolt circle diameter
• Nominal thickness of 20.0 mm and discard thickness of 18.0 mm
• Compatible with Nissan 350Z, 370Z, Infiniti G37, Q60, and Z models

Detailed Product Features and Specifications

This StopTech Sport Cross-Drilled Disc Brake Rotor features a 350 mm (13.78 inch) outside diameter and an overall height of 62.2 mm (2.449 inches). The rotor is vented with straight vanes to promote efficient airflow and heat dissipation during braking. The cross-drilled surface type helps reduce brake fade by allowing gases and heat to escape more effectively. The rotor’s hat is coated to protect against rust and corrosion, ensuring durability over time. It includes five stud/lug holes with a diameter of 12.8 mm (0.504 inches) and a mounting bolt hole circle diameter of 114.3 mm (4.5 inches). The center hole diameter measures 68 mm (2.677 inches), providing a precise fit for the specified Nissan and Infiniti models. The nominal thickness is 20.0 mm (0.787 inches), with a discard thickness of 18.0 mm (0.709 inches), indicating when the rotor should be replaced for safety.

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to offer improved braking performance for sport and performance vehicles. These rotors combine cross-drilled surfaces with vented construction to enhance cooling and reduce brake fade under demanding conditions. The coated hat finish adds corrosion resistance, making them suitable for both daily driving and spirited use. This product line is engineered to meet the specific fitment and performance needs of vehicles like the Nissan 350Z, 370Z, Infiniti G37, and Q60.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or track use
• Improves heat dissipation to prevent rotor warping
• Minimizes gas buildup between pad and rotor for consistent braking
• Resists corrosion for longer service life in various weather conditions
• Provides precise fitment for Nissan and Infiniti sport models

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (18.0 mm) before installation
• Clean rotor surface to remove any protective coatings before mounting
• Check compatibility with existing brake pads and calipers on Nissan 350Z, 370Z, Infiniti G37, or Q60
• Torque lug nuts to manufacturer specifications for safety
• Perform a proper bed-in procedure after installation for optimal braking performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. 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.