Stoptech 127.66011L 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 127.66011L) 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 brake pad cleaning
• 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 mounting designed for hub and rotor assembly
• 5 lug holes with 14mm stud thread diameter and 1.5mm bolt thread pitch
• Nominal thickness of 1.280 inches (32.5 mm) and discard thickness of 1.215 inches (30.86 mm)
• Overall diameter of 11.614 inches (295 mm) and overall height of 4.508 inches (114.5 mm)

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking performance through improved heat management and pad bite. The cross-drilled holes and slots help evacuate gases and debris, reducing brake fade and maintaining consistent friction. This rotor line is vented to promote airflow, which is critical for trucks like the Chevrolet and GMC C1500 that may experience heavy braking loads.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize cooling. The rotor’s nominal thickness is 1.280 inches (32.5 mm), with a discard thickness of 1.215 inches (30.86 mm), ensuring safe replacement intervals. The coated hat finish protects against rust and corrosion, extending the rotor’s service life. It includes five lug holes with a 14 mm stud thread diameter and a 1.5 mm bolt thread pitch, matching the OEM specifications for Chevrolet and GMC C1500 trucks. The overall diameter measures 11.614 inches (295 mm), and the rotor weighs approximately 27 lbs (12.27 kg).

Common Applications and Problem Solving

• Reduces brake fade during heavy towing or hauling with vented rotor design
• Improves brake pad bite and debris removal with cross-drilled and slotted surface
• Prevents corrosion and extends rotor life with coated hat finish
• Restores OEM braking performance on Chevrolet and GMC C1500 trucks
• Addresses uneven rotor wear and vibration issues

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.215 inches) before installation
• Clean mounting surfaces to prevent rotor runout and vibration
• Use proper torque specifications for 14 mm studs and 1.5 mm bolt thread pitch
• Check compatibility with existing brake pads and hardware
• Inspect bearings and seals (inner bearing #410.91005, outer bearing #410.91003) during installation

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 127.66011L rotor undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.