Stoptech 128.42079L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.42079L is engineered for enhanced braking performance on Nissan 350Z and Infiniti G35 models. Designed to provide reliable stopping power, this vented rotor features a cross-drilled surface for improved heat dissipation and consistent brake pad contact.

• Cross-drilled surface type for better heat management
• Vented rotor design with pillar-style vanes
• Coated hat finish to resist corrosion
• Compatible with Nissan 350Z and Infiniti G35
• 5 lug holes with 114.3 mm bolt circle diameter
• Nominal thickness of 22.2 mm and discard thickness of 20.2 mm
• Overall diameter of 322 mm and height of 62.2 mm
• Part number 128.42079L for precise fitment

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to meet the demands of performance-oriented drivers who require consistent braking under aggressive conditions. The cross-drilled design helps reduce brake fade by allowing heat and gases to escape more efficiently, while the vented construction with pillar-style vanes promotes airflow to maintain optimal rotor temperature. This rotor line balances durability and performance, making it suitable for street and light track use on compatible vehicles like the Nissan 350Z and Infiniti G35.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 22.2 mm and a discard thickness of 20.2 mm, ensuring a long service life before replacement is necessary. The rotor’s outside diameter measures 322 mm, with an overall height of 62.2 mm. The hat section is coated to resist corrosion and maintain appearance over time. It includes five lug holes with a 114.3 mm bolt circle diameter and a center hole diameter of 68 mm, designed for direct fitment on specified Nissan and Infiniti models. The rotor weighs approximately 8.41 kg (18.5 lbs), balancing strength and weight for effective braking performance.

Applications and Problem Solving

• Improves heat dissipation to reduce brake fade during spirited driving
• Enhances braking consistency on Nissan 350Z and Infiniti G35 vehicles
• Resists corrosion with coated hat finish for longer rotor life
• Addresses uneven pad wear caused by excessive heat buildup
• Compatible replacement for worn or damaged factory rotors

Installation Notes and Tips

Ensure the rotor is installed on compatible Nissan 350Z or Infiniti G35 models using the correct lug nut torque specifications. Verify rotor thickness before installation to confirm it meets or exceeds the discard thickness of 20.2 mm. Clean the rotor surface to remove any protective coatings or contaminants prior to mounting. This rotor does not include bearings or an ABS tone ring, so reuse existing components if applicable. Proper bedding-in of brake pads after installation is recommended to optimize braking performance.

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 rotors undergo rigorous quality control to ensure durability and consistent performance. 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.