Stoptech 126.66078SL Disc Brake Rotor - Front Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotor 126.66078SL is engineered for Chevrolet and GMC trucks, specifically the Canyon and Colorado models. Designed to enhance braking performance, this vented, slotted rotor offers improved heat dissipation and consistent stopping power under demanding conditions.

• Compatible with Chevrolet Canyon and GMC Colorado
• Part number: 126.66078SL
• Vented disc brake rotor with slotted surface for better heat management
• Coated hat finish to resist corrosion
• Overall diameter: 12.205 inches (310 mm)
• Nominal thickness: 1.063 inches (27 mm), discard thickness: 0.984 inches (25 mm)
• Floating disc mounting design
• 6 lug holes with 4.724 inch (120 mm) bolt circle diameter
• Weight approximately 20.9 lbs (9.48 kgs)

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through improved rotor design. Featuring slotted surfaces and vented construction, these rotors help maintain cooler operating temperatures and reduce brake fade. The 126.66078SL rotor benefits from this design philosophy, providing reliable stopping power for Chevrolet Canyon and GMC Colorado trucks during both daily driving and more demanding conditions.

Technical Specifications and Features

This disc brake rotor features a vented design with 47 straight vanes to optimize airflow and heat dissipation. The slotted surface helps remove brake dust and gases, improving pad contact and braking consistency. The rotor’s coated hat finish offers corrosion resistance, extending service life. With a nominal thickness of 1.063 inches (27 mm) and a discard thickness of 0.984 inches (25 mm), it meets OEM standards for durability and performance. The floating disc mounting design allows for slight movement to reduce stress and improve rotor longevity.

Applications and Problem Solving

• Improves braking performance for Chevrolet Canyon and GMC Colorado trucks
• Reduces brake fade during heavy or repeated braking
• Helps prevent rotor warping caused by excessive heat
• Maintains consistent pad contact by removing debris and gases
• Resists corrosion with coated hat finish for longer service life

Installation Notes and Tips

Ensure compatibility with your Chevrolet Canyon or GMC Colorado before installation. The rotor features a 6-lug bolt pattern with a 4.724 inch (120 mm) bolt circle diameter. No bearings or ABS tone ring are included, so verify existing components are compatible. Proper torque specifications should be followed during installation to avoid rotor damage. It is recommended to inspect brake pads and hardware when replacing rotors to ensure optimal braking performance.

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 126.66078SL rotor undergoes rigorous quality control to ensure durability and consistent performance. Warranty details should be confirmed with the original product documentation or authorized distributor.