Stoptech 126.66078SR Disc Brake Rotor - Front Right

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (part number 126.66078SR) are engineered for Chevrolet and GMC trucks, specifically the Canyon and Colorado models. These rotors provide reliable braking performance with a vented, slotted design that helps maintain consistent stopping power under demanding conditions.

• Compatible with Chevrolet Canyon and GMC Colorado models
• Part number 126.66078SR for precise fitment
• Vented disc design for improved heat dissipation
• Slotted surface type to enhance brake pad bite and reduce debris
• Coated hat finish for corrosion resistance
• Floating disc mounting for better rotor alignment and performance
• Overall diameter of 12.205 inches (310 mm) and nominal thickness of 1.063 inches (27 mm)
• 6 lug holes with a 120 mm bolt circle diameter

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line is designed to offer enhanced braking performance through advanced rotor surface technology. The slotted design improves pad bite and helps evacuate gases and debris, which can accumulate during aggressive driving or towing. This product line focuses on maintaining consistent braking feel and reducing fade, making it suitable for both daily driving and more demanding applications on Chevrolet Canyon and GMC Colorado trucks.

Technical Specifications and Features

These rotors feature a vented construction with 47 straight vanes to optimize airflow and heat dissipation. The overall height measures 2.402 inches (61 mm), and the center hole diameter is 2.795 inches (71 mm), ensuring proper fitment on the specified vehicles. The disc mounting is floating, which allows for slight movement to reduce stress and improve rotor longevity. The hat section is coated to resist corrosion, extending the rotor's service life. With a weight of approximately 20.9 lbs (9.48 kg), these rotors balance durability and performance.

Applications and Problem Solving

• Improves braking performance for Chevrolet Canyon and GMC Colorado trucks
• Reduces brake fade during heavy use or towing
• Enhances pad bite and braking consistency with slotted surface
• Helps prevent rotor warping through vented design and floating mounting
• Protects against corrosion with coated hat finish

Installation Notes and Tips

Ensure compatibility with Chevrolet Canyon and GMC Colorado models before installation. The rotors feature a 6-lug pattern with a 120 mm bolt circle diameter, so verify your vehicle’s specifications. No ABS tone ring or bearings are included, so retain or replace existing components as needed. Proper torque specifications should be followed to maintain rotor alignment and performance.

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides additional corrosion resistance to extend rotor life. While specific warranty details are not provided, StopTech products typically come with a limited warranty against defects in materials and workmanship.