Stoptech 126.42101SR Disc Brake Rotor - Rear Right

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.42101SR) are engineered for enhanced braking performance on select Nissan and Infiniti models. Designed with precision, these rotors provide reliable stopping power and improved heat dissipation for vehicles like the Nissan 350Z, 370Z, Infiniti G37, and Q60.

• Compatible with Nissan 350Z, 370Z, Infiniti G37, Q60, and Z models
• Part Number: 126.42101SR
• Slotted surface type for improved brake pad bite and debris removal
• Vented rotor design for enhanced cooling and reduced fade
• Coated hat finish to resist corrosion and extend rotor life
• Overall diameter: 350 mm (13.780 inches)
• Nominal thickness: 20.000 mm (0.787 inches)
• Mounting bolt hole circle diameter: 114.3 mm (4.5 inches) with 5 lug holes

Detailed Product Description

The StopTech Sport Slotted Disc Brake Rotors feature a vented design with straight vanes that promote efficient heat dissipation during aggressive driving or track use. The slotted surface helps maintain clean pad contact by channeling away dust, gas, and water, which can improve braking consistency. These rotors have a coated hat finish that protects against rust and corrosion, ensuring durability over time. With a nominal thickness of 20 mm and a discard thickness of 18 mm, these rotors meet strict specifications for safe and effective braking. The 5-lug bolt pattern with a 114.3 mm bolt circle diameter ensures proper fitment on compatible Nissan and Infiniti vehicles.

About StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors line is designed for drivers seeking improved braking performance without compromising daily drivability. This product line focuses on enhanced rotor cooling and pad bite through slotted surfaces and vented construction. The rotors are engineered to meet or exceed OEM specifications, making them suitable for spirited street driving and occasional track use on vehicles such as the Nissan 350Z, 370Z, Infiniti G37, and Q60.

Common Applications and Problem Solving

• Reduces brake fade during high-performance driving
• Improves pad bite and braking response in wet conditions
• Minimizes rotor warping caused by excessive heat buildup
• Prevents corrosion on rotor hats for longer service life
• Maintains consistent braking performance under heavy use

Installation Notes and Tips

• Ensure rotor discard thickness of 18.000 mm is not exceeded before replacement
• Verify 5-lug bolt pattern and 114.3 mm bolt circle diameter for compatibility
• Clean rotor surface before installation to remove any protective coatings
• Use proper torque specifications for mounting bolts to avoid rotor damage
• Check brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The rotors undergo rigorous testing for balance, thickness, and material integrity. 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.