Stoptech 127.42099L 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 127.42099L) are engineered for enhanced braking performance on Nissan and INFINITI vehicles. Designed specifically for models like the Nissan Armada, QX56, and TITAN, these rotors offer reliable stopping power and improved heat dissipation.

• Cross-drilled and slotted surface for better heat and gas dissipation
• Vented rotor design to reduce brake fade
• Coated hat finish to resist corrosion
• Floating disc mounting for improved rotor alignment
• Compatible with 6-lug wheel configurations

Product Features and Specifications

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling during heavy braking. The rotor has an outside diameter of 13.78 inches (350 mm) and an overall height of 1.697 inches (43.1 mm). The nominal thickness measures 1.181 inches (30 mm), with a discard thickness of 1.122 inches (28.5 mm), ensuring a long service life before replacement is necessary. The rotor’s hat is coated to protect against rust and corrosion, maintaining structural integrity over time.

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 dissipation and debris removal. The cross-drilled holes and slots help reduce brake fade and maintain consistent pad contact, making this product line suitable for both street and light performance driving. This rotor line balances durability with performance, making it a practical upgrade for Nissan Armada, QX56, and TITAN owners.

Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent braking performance in wet conditions
• Minimizes brake dust and gas buildup for cleaner pad contact
• Resists corrosion with coated hat finish for longer rotor life

Installation Notes and Tips

These rotors are designed for vehicles with 6-lug wheel configurations and require proper torque specifications during installation. Ensure the rotor surface is clean and free of contaminants before mounting. The floating disc mounting design allows for slight movement to reduce stress and improve alignment. ABS tone ring is not included, so verify compatibility with your vehicle’s ABS system if applicable.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The coated hat finish provides additional corrosion resistance. 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 manufacturer or authorized distributor for exact warranty terms.