Stoptech 127.42074L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.42074L is engineered for enhanced braking performance on Nissan 350Z and Infiniti G35 models. Designed to improve heat dissipation and reduce brake fade, this rotor is a reliable upgrade for drivers seeking consistent stopping power.

• Compatible with Nissan 350Z and Infiniti G35
• Part Number: 127.42074L
• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design with straight vane style for efficient heat management
• Coated hat finish to resist corrosion
• Floating disc mounting for better rotor alignment and reduced warping
• Outside diameter: 295.7 mm (11.642 inches)
• Nominal thickness: 24.0 mm (0.945 inches)
• Discard thickness: 22.0 mm (0.866 inches)
• 5 lug holes with 114.3 mm (4.5 inches) bolt circle diameter

Detailed Product Description

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (part number 127.42074L) features a vented design with straight vanes that promote optimal airflow to dissipate heat during aggressive braking. The cross-drilled and slotted surface helps to evacuate gases, dust, and water, maintaining consistent brake pad contact and reducing the risk of brake fade. The rotor’s coated hat finish provides corrosion resistance, extending the rotor’s service life. With a floating disc mounting system, this rotor allows for slight movement to reduce stress and warping under high thermal loads. The rotor measures 295.7 mm in outside diameter and has a nominal thickness of 24.0 mm, with a discard thickness of 22.0 mm, ensuring it meets OEM specifications for Nissan 350Z and Infiniti G35 vehicles.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance for sport and performance vehicles. This product line focuses on improving heat dissipation and brake pad bite through precision-machined slots and drilled holes. The vented rotor design with straight vanes supports consistent cooling, making these rotors suitable for spirited driving and track use. The coated hat finish adds durability against corrosion, ensuring long-term reliability for vehicles like the Nissan 350Z and Infiniti G35.

Common Applications and Problem Solving

• Reduces brake fade during high-performance or aggressive driving
• Improves heat dissipation to prevent rotor warping
• Enhances brake pad cleaning for consistent stopping power
• Minimizes brake dust buildup on rotor surface
• Provides corrosion resistance for extended rotor life

Installation Notes and Tips

• Ensure compatibility with Nissan 350Z and Infiniti G35 before installation
• Check rotor thickness and discard thickness to confirm suitability
• Use proper torque specifications for the 5 lug bolts on the 114.3 mm bolt circle
• Inspect brake pads and replace if worn to maximize rotor performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 127.42074L rotor undergoes rigorous quality control to ensure durability and performance under demanding conditions. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Refer to StopTech’s official documentation for complete warranty information.