Stoptech 127.42080R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.42080R) are engineered for enhanced braking performance on select Infiniti and Nissan vehicles. Designed with a vented, slotted, and cross-drilled surface, these rotors provide improved heat dissipation and consistent stopping power for models like the Nissan 350Z, 370Z, Altima, and Infiniti G35.

• Cross-drilled and slotted rotor surface for better heat and gas dissipation
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for improved rotor alignment and performance
• Compatible with multiple Infiniti and Nissan models including 350Z, FX35, G37, and Maxima

Detailed Product Features and Specifications

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors feature a nominal thickness of 1.106 inches (28.1 mm) and a discard thickness of 1.024 inches (26.0 mm), ensuring a reliable service life and clear replacement guidelines. The rotors have an overall diameter of 12.583 inches (319.6 mm) and an overall height of 1.937 inches (49.2 mm). The vented design incorporates straight vanes to optimize airflow and cooling during braking. The rotor’s hat is coated to protect against rust and corrosion, maintaining structural integrity over time.

Mounting specifications include a 5-lug pattern with a 4.5-inch (114.3 mm) bolt circle diameter and 0.508 inch (12.9 mm) lug hole diameter. The center hole diameter measures 2.677 inches (68.0 mm), and the rotor weighs approximately 22.5 lbs (10.23 kg). This rotor does not include ABS tone rings or bearings, and it features a floating disc mounting style to accommodate thermal expansion and reduce stress.

About the 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 gas evacuation. The combination of cross-drilled holes and precision slots helps maintain consistent pad contact and reduces brake fade during aggressive driving or track use. This product line is suitable for drivers seeking a balance between daily driving reliability and sportier braking response on vehicles such as the Infiniti Q70, Nissan Murano, and Altima.

Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup during spirited driving
• Improves wet weather braking by channeling water away from the rotor surface
• Minimizes brake pad glazing and uneven wear through enhanced gas evacuation
• Helps maintain consistent braking performance on Infiniti and Nissan models listed
• Addresses corrosion issues with coated hats for longer rotor life

Installation Notes and Tips

• Ensure rotor discard thickness of 1.024 inches (26.0 mm) is not exceeded before replacement
• Verify compatibility with vehicle lug pattern: 5 lugs, 4.5-inch bolt circle diameter
• Use proper torque specifications for mounting bolts to avoid rotor warping
• Inspect brake pads and calipers during installation for optimal performance
• Floating disc mounting requires correct alignment to prevent noise and uneven wear

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications 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. Always consult the product documentation or manufacturer for exact warranty terms.