Stoptech 127.33012R 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 127.33012R) are engineered for enhanced braking performance on select Audi and Volkswagen models. Designed with a vented, slotted, and cross-drilled surface, these rotors provide improved heat dissipation and consistent stopping power under demanding conditions.

• Cross-drilled and slotted surface for efficient heat and gas dissipation
• Vented rotor design to reduce brake fade
• Coated hat finish for corrosion resistance
• Floating disc mounting for better rotor alignment
• Compatible with Audi and Volkswagen models including Golf, Jetta, Cabriolet, and more

Detailed Product Features and Specifications

This disc brake rotor features a nominal thickness of 0.783 inches (19.9 mm) and a discard thickness of 0.709 inches (18.0 mm), ensuring a reliable service life and clear replacement guidelines. The rotor has an outside diameter of 9.409 inches (239 mm) and an overall height of 1.520 inches (38.6 mm). The vented design incorporates straight vanes to optimize airflow and cooling during braking. The rotor’s hat is coated to resist corrosion, extending the rotor’s durability in various driving environments.

The mounting specifications include a 4-lug hole pattern with a bolt circle diameter of 3.937 inches (100 mm) and stud/lug hole diameters of 0.541 inches (13.75 mm). The center hole diameter measures 2.559 inches (65 mm), and the rotor weighs approximately 8.5 lbs (3.86 kg). This rotor does not include ABS tone rings or bearings.

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 for street and light track use. The combination of cross-drilled holes and precision slots helps to evacuate heat, brake dust, and gases, reducing the risk of brake fade and maintaining consistent pedal feel. This product line is suitable for drivers seeking improved brake response and durability on vehicles such as Audi and Volkswagen models.

Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves heat dissipation to prevent rotor warping
• Enhances wet weather braking by channeling water away
• Minimizes brake dust buildup for cleaner braking surfaces
• Provides consistent pedal feel under repeated heavy braking

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Use proper torque specifications for mounting bolts to avoid rotor distortion
• Check compatibility with vehicle ABS systems as this rotor does not include tone rings
• Inspect brake pads for wear and replace if necessary when installing new rotors
• Follow manufacturer’s break-in procedure for optimal rotor performance

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. 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. Refer to StopTech’s official documentation for complete warranty information.