Stoptech 127.42081L 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 127.42081L) are engineered for enhanced braking performance on Nissan and INFINITI vehicles. Designed specifically for models like the Nissan Armada, Pathfinder Armada, TITAN, and INFINITI QX56, these rotors provide reliable stopping power with improved heat dissipation.

• Cross-drilled and slotted surface for better heat and gas dissipation
• Solid rotor design with a coated hat finish for corrosion resistance
• Nominal thickness of 0.551 inches (14.000 mm) with discard thickness at 0.472 inches (12.000 mm)
• Overall height of 2.283 inches (58.000 mm) and outside diameter of 12.598 inches (320.000 mm)
• 6 lug holes with a bolt circle diameter of 5.5 inches (139.700 mm)
• Compatible with Nissan Armada, Pathfinder Armada, TITAN, and INFINITI QX56

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering improved braking efficiency through enhanced rotor surface design. The cross-drilled holes and slots help to reduce brake fade by allowing heat and gases to escape more effectively during heavy braking. This product line is tailored for drivers seeking consistent brake performance under demanding conditions, making it suitable for the Nissan Armada, Pathfinder Armada, TITAN, and INFINITI QX56 models.

Technical Specifications and Features

This disc brake rotor features a solid rotor type with a coated hat finish to resist corrosion and extend service life. The rotor’s nominal thickness is 0.551 inches (14.000 mm), with a discard thickness of 0.472 inches (12.000 mm), ensuring clear service limits for maintenance. The rotor measures 12.598 inches (320.000 mm) in outside diameter and has an overall height of 2.283 inches (58.000 mm). It includes six stud/lug holes with a diameter of 0.528 inches (13.400 mm) arranged on a 5.5-inch (139.700 mm) bolt circle diameter. This rotor does not include an ABS tone ring or bearings and is designed for floating/dih disc mounting.

Applications and Problem Solving

• Compatible with Nissan Armada, Pathfinder Armada, TITAN, and INFINITI QX56 models requiring reliable disc brake rotors
• Addresses brake fade caused by excessive heat buildup during heavy braking
• Reduces brake dust and gas accumulation for consistent pad contact
• Helps prevent rotor warping and uneven wear through improved heat dissipation
• Provides corrosion resistance with coated hat finish for longer rotor life

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.472 inches) before installation
• Verify compatibility with vehicle make and model, specifically Nissan Armada, Pathfinder Armada, TITAN, and INFINITI QX56
• Use proper torque specifications for the 6 lug nuts on the 5.5-inch bolt circle
• Inspect brake pads and calipers during installation for optimal performance
• Do not reuse old hardware or bearings as they are not included with this rotor

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The solid rotor design and coated hat finish contribute to durability and 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 product documentation or manufacturer for exact warranty terms.