Stoptech 127.66010L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.66010L) is engineered for Chevrolet and GMC C1500 trucks requiring reliable braking performance. Designed with vented construction and a coated hat finish, this rotor balances heat dissipation and corrosion resistance for consistent stopping power.

• Cross-drilled and slotted surface for improved heat dissipation and debris removal
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Compatible with Chevrolet and GMC C1500 models
• Disc dimensions: 11.622 inches (295.2 mm) outside diameter, 1.031 inches (26.2 mm) nominal thickness
• 5 lug holes with 0.563 inch stud thread diameter and 5 inch bolt circle diameter
• Weight approximately 25 lbs (11.36 kgs) for balanced performance

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking efficiency by combining cross-drilled holes and precision slots. This design improves cooling and helps evacuate gases and debris from the rotor surface, which is critical for maintaining consistent brake pad contact and reducing fade. The vented rotor construction further aids in heat management, making this line suitable for trucks like the Chevrolet and GMC C1500 that may experience demanding driving conditions.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling. The rotor's nominal thickness is 1.031 inches (26.2 mm), with a discard thickness of 0.965 inches (24.5 mm), ensuring a clear service limit for safe operation. The rotor's overall height measures 4.181 inches (106.2 mm), and it includes a 3.071 inch (78 mm) center hole diameter for proper hub fitment. The rotor mounts using a 5-lug pattern with a 5 inch (127 mm) bolt circle diameter and 0.563 inch stud thread diameter. The hat is coated to resist corrosion, extending the rotor's service life in various environments.

Applications and Problem Solving

• Improves braking performance on Chevrolet and GMC C1500 trucks
• Reduces brake fade during heavy or repeated braking
• Helps prevent rotor warping caused by excessive heat buildup
• Minimizes brake dust and debris accumulation on rotor surface
• Enhances overall brake system durability and reliability

Installation Notes and Tips

• Ensure compatibility with Chevrolet and GMC C1500 models before installation
• Check rotor thickness and discard limits during installation to confirm serviceability
• Use proper torque specifications for the 5-lug mounting pattern
• Inspect brake pads and related components for wear when replacing rotors
• Clean rotor surface before installation to remove any protective coatings or contaminants

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 127.66010L rotor undergoes 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. Refer to StopTech or authorized distributors for exact warranty terms.