Stoptech 127.42077L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.42077L) are engineered for enhanced braking performance on select Nissan and INFINITI vehicles. Designed to improve heat dissipation and reduce brake fade, these rotors are a reliable upgrade for models like the Nissan 350Z, G35, Juke, LEAF, Rogue, Rogue Select, Rogue Sport, and X-Trail.

• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design to enhance heat dissipation
• Coated hat finish to resist corrosion
• Compatible with 5-lug wheel configurations
• Precision engineered with a 291.8 mm outside diameter and 16 mm nominal thickness

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine cross-drilled holes and slots to optimize braking efficiency. This design helps maintain consistent brake pad contact, reduces gas buildup, and improves water dispersion. The rotors feature a vented construction with straight vanes to promote airflow and cooling, making them suitable for spirited driving and daily use on compatible Nissan and INFINITI models.

Technical Specifications and Features

These rotors have a nominal thickness of 16.000 mm and a discard thickness of 14.000 mm, ensuring durability and longevity under demanding conditions. The overall height measures 62.000 mm, with a center hole diameter of 68.000 mm to fit the hub precisely. The mounting bolt hole circle diameter is 114.3 mm with five 12.7 mm diameter lug holes, matching the factory specifications for the listed vehicles. The rotor weighs approximately 12 lbs (5.45 kgs), balancing strength and weight for optimal performance.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves braking response and pedal feel on Nissan 350Z and INFINITI G35
• Helps prevent rotor warping caused by excessive heat buildup
• Enhances water and debris evacuation for safer braking in wet conditions
• Restores braking performance on Nissan Rogue and X-Trail models with worn or damaged rotors

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Check rotor thickness and discard limits to confirm replacement necessity
• Use proper torque specifications for lug nuts to avoid rotor damage
• Inspect brake pads and replace if worn to maximize rotor performance
• Professional installation is recommended for optimal safety and fitment

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The rotors feature a coated hat finish to resist corrosion and extend service life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.