Stoptech 128.42101R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.42101R) are engineered for enhanced braking performance on select Nissan and Infiniti models. Designed to provide reliable stopping power and improved heat dissipation, these rotors are a solid choice for drivers of the 350Z, 370Z, G37, and Q60.

• Cross-drilled surface for improved heat dissipation and reduced brake fade
• Vented rotor design with straight vane style for efficient cooling
• Coated hat finish to resist corrosion and extend rotor life
• Precision fit with 5 lug holes and 114.3 mm bolt circle diameter
• Compatible with Nissan 350Z, 370Z, Infiniti G37, Q60, and Z models

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on performance-oriented rotors that feature cross-drilled surfaces to enhance braking efficiency. This product line is designed to improve heat management and reduce brake fade during spirited driving or daily use. The rotors in this line, including part number 128.42101R, incorporate vented construction with straight vanes to maintain consistent cooling and braking performance under demanding conditions.

Technical Specifications and Features

These rotors have a nominal thickness of 20.0 mm (0.787 inches) and a discard thickness of 18.0 mm (0.709 inches), ensuring a long service life before replacement is necessary. The overall height measures 62.2 mm (2.449 inches), and the outside diameter is 350 mm (13.78 inches), matching OEM dimensions for proper fitment. The center hole diameter is 68 mm (2.677 inches), and the rotor includes five stud/lug holes with a diameter of 12.8 mm (0.504 inches). The vented design with straight vanes promotes effective heat dissipation, while the coated hat finish helps prevent corrosion. Note that this rotor does not include an ABS tone ring or bearings.

Compatible Vehicles and Applications

• Designed specifically for Nissan 350Z and 370Z models
• Compatible with Infiniti G37 and Q60 vehicles
• Suitable for Nissan Z series models requiring 350 mm rotors

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during aggressive driving
• Corrosion and rust on rotor hats reducing rotor lifespan
• Uneven brake pad wear due to poor heat dissipation
• Vibration or noise from warped or damaged rotors
• Reduced braking performance on Nissan 350Z, 370Z, Infiniti G37, and Q60

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 18.0 mm before installation. Clean the rotor surface to remove any protective coatings or oils prior to mounting. Verify compatibility with your vehicle’s lug pattern (5 lug holes, 114.3 mm bolt circle) and confirm the absence of an ABS tone ring requirement. Properly torque lug nuts to manufacturer specifications and inspect brake pads for wear during installation.

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. 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 authorized distributors for exact warranty terms.