Stoptech 128.62120L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor (Part Number 128.62120L) is engineered for drivers of Buick, Chevrolet, GMC, and Saab vehicles seeking reliable braking performance. Designed specifically for models such as the Chevrolet Camaro, Corvette, and Buick LaCrosse, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled surface for improved heat and gas dissipation
• Vented rotor design with pillar-style vanes for efficient cooling
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better rotor alignment and reduced warping
• Compatible with 5-lug wheel configurations and 120mm bolt circle diameter

Detailed Product Features and Specifications

The StopTech Sport Cross-Drilled Disc Brake Rotor features a nominal thickness of 1.177 inches (29.9 mm) and a discard thickness of 1.063 inches (27.0 mm), ensuring a durable braking surface that meets OEM standards. The rotor measures 12.638 inches (321 mm) in outside diameter and has an overall height of 2.008 inches (51 mm). Its vented design incorporates pillar-style vanes that promote airflow to reduce heat buildup during aggressive driving or heavy braking conditions. The rotor’s floating disc mounting system helps maintain proper alignment and reduces the risk of warping over time. Additionally, the coated hat finish provides corrosion resistance, which is essential for maintaining performance and longevity in various driving environments.

StopTech Sport Cross-Drilled Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to deliver enhanced braking performance through advanced rotor surface technology and cooling features. Cross-drilled rotors like the 128.62120L improve heat dissipation and help prevent brake fade under demanding conditions. This product line focuses on providing rotors that balance durability, cooling efficiency, and corrosion resistance, making them suitable for performance-oriented vehicles such as the Chevrolet Camaro and Buick Regal.

Compatible Vehicles and Applications

• Buick LaCrosse, Regal, Allure, and Verano models
• Chevrolet Camaro, Corvette, Impala, Malibu, Malibu Limited, and Equinox
• GMC Terrain
• Saab 9-5

This rotor is designed for vehicles equipped with 5-lug wheels and a 120mm bolt circle diameter, ensuring proper fitment and reliable braking performance.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during spirited driving
• Warping and uneven rotor wear due to poor heat dissipation
• Corrosion and rust on rotor hats affecting longevity
• Reduced braking efficiency from gas buildup between pad and rotor
• Alignment issues leading to vibration or noise during braking

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.063 inches) before installation
• Verify compatibility with vehicle’s 5-lug, 120mm bolt circle wheel setup
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Inspect brake pads and calipers for wear or damage during rotor replacement
• Clean rotor surface with brake cleaner before installation to remove any protective coatings

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rotors undergo rigorous quality control to ensure consistent performance and durability. 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 packaging or manufacturer for exact warranty terms.