Stoptech 127.62023L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.62023L is engineered for reliable braking performance on select GM vehicles. Designed to meet the demands of Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design with straight vane style for efficient 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 100 mm bolt circle diameter

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine cross-drilled holes and precision slots. This design improves brake pad bite and helps evacuate heat and debris during braking. The 127.62023L rotor features a vented construction with straight vanes, enhancing airflow to reduce brake fade under demanding conditions. The coated hat finish adds corrosion resistance, making it suitable for daily driving and spirited use on compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles.

Technical Specifications and Features

This disc brake rotor has an outside diameter of 246 mm (9.685 inches) and an overall height of 48 mm (1.890 inches). The nominal thickness is 22.35 mm (0.880 inches), with a discard thickness of 20.7 mm (0.815 inches), ensuring clear service limits for safe operation. The rotor mounts with a 5-lug pattern on a 100 mm (3.937 inches) bolt circle diameter, and the stud/lug holes measure 13.2 mm (0.520 inches) in diameter. The center hole diameter is 58.4 mm (2.299 inches). Weighing approximately 5.23 kg (11.5 lbs), this vented rotor uses a floating disc mounting system to accommodate thermal expansion and reduce stress.

Compatible Vehicles and Applications

• Buick Calais, Skylark
• Cadillac Cimarron
• Chevrolet Cavalier, Corsica
• Oldsmobile Cutlass Calais, Firenza
• Pontiac Grand Am, J2000 Sunbird, Skyhawk, Sunbird

This rotor is designed specifically for these models, ensuring proper fitment and optimal braking performance.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats and braking surfaces
• Reduced braking efficiency from gas and debris accumulation
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

Ensure the rotor surface is clean and free of contaminants before installation. Verify the rotor thickness is above the discard limit of 20.7 mm (0.815 inches) to maintain safety. Use proper torque specifications for lug nuts and check for any signs of uneven wear or damage on brake pads. This rotor does not include bearings or an ABS tone ring, so confirm compatibility with your vehicle’s braking system. The floating disc mounting requires correct alignment to function properly.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for durability and performance. The coated hat finish provides corrosion resistance to extend service life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against manufacturing defects. Always consult the product documentation or manufacturer for exact warranty terms.