Stoptech 127.42021R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.42021R is engineered for Nissan 300ZX models requiring reliable braking performance. Designed with precision, this rotor combines cross-drilled and slotted surface features to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Nissan 300ZX vehicles
• Part number 127.42021R for exact fitment
• Solid disc rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Overall diameter of 290 mm (11.417 inches)
• Nominal thickness of 10.000 mm (0.394 inches)
• Floating disc mounting design
• Four stud/lug holes with 12.750 mm diameter

Detailed Product Features and Specifications

This StopTech rotor features a solid construction with a 290 mm outside diameter and a nominal thickness of 10.000 mm, ensuring durability and consistent braking performance. The cross-drilled and slotted surface type improves heat dissipation and helps prevent brake fade by allowing gases and debris to escape during braking. The coated hat finish provides protection against corrosion, extending the rotor's service life. The rotor mounts using a floating disc design, which helps accommodate thermal expansion and reduces the risk of warping. It includes four stud/lug holes with a diameter of 12.750 mm and a mounting bolt hole circle diameter of 114.300 mm, ensuring precise fitment on Nissan 300ZX models.

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to offer enhanced braking performance for sport and performance vehicles. These rotors feature a combination of cross-drilled holes and slots to improve cooling efficiency and maintain clean pad surfaces. The solid rotor design balances strength and heat management, making it suitable for street and light track use. The coated hat finish adds corrosion resistance, which is beneficial for vehicles exposed to varying weather conditions.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or spirited use
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent brake pad contact and performance
• Minimizes buildup of brake dust and debris on rotor surface
• Provides corrosion resistance for longer rotor lifespan

Installation Notes and Tips

• Ensure compatibility with Nissan 300ZX before installation
• Check rotor thickness and discard thickness limits before mounting
• Use proper torque specifications for mounting bolts to avoid rotor damage
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Perform a bed-in procedure after installation to maximize braking efficiency

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet strict quality standards for durability and performance. The 127.42021R rotor undergoes rigorous testing to ensure it meets OEM specifications for fit and function. 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.