Stoptech 127.62120L Disc Brake Rotor - Front Left

Overview of StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.62120L) are engineered for drivers seeking reliable braking performance on select Buick, Chevrolet, GMC, and Saab vehicles. Designed with a vented, slotted, and drilled surface, these rotors help maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted rotor surface for improved heat dissipation and debris removal
• Vented rotor design with pillar-style vanes to enhance cooling
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with 5-lug wheel setups and specific bolt patterns

Detailed Product Features and Specifications

This 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 precise fit and safe wear limits. The rotor's outside diameter measures 12.638 inches (321 mm), with an overall height of 2.008 inches (51 mm). The center hole diameter is 2.654 inches (67.4 mm), and it mounts using a 5-lug pattern with a 4.724-inch (120 mm) bolt circle diameter. The rotor is vented with pillar-style vanes to optimize airflow and cooling during braking. The hat area is coated to protect against rust and corrosion, contributing to longer service life. This rotor does not include ABS tone rings or bearings.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat dissipation and debris clearance. The combination of cross-drilled holes and precision slots helps reduce brake fade and maintain consistent pedal feel. This product line is suitable for drivers who require reliable stopping power in both daily driving and spirited conditions, making it a practical upgrade for compatible Buick, Chevrolet, GMC, and Saab models.

Compatible Vehicles and Common Applications

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

This rotor is specifically designed to meet the braking demands of these vehicles, ensuring proper fitment and performance.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during aggressive driving
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats reducing service life
• Reduced braking efficiency from debris accumulation on rotor surface
• Vibration or noise caused by warped or worn rotors

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Ensure proper cleaning of rotor surface to remove any protective coatings or contaminants
• Use compatible brake pads recommended for cross-drilled and slotted rotors
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check wheel hub and bearing condition prior to installation

Quality Assurance and Warranty

StopTech disc brake 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 product documentation or the manufacturer for exact warranty terms.