Stoptech 227.66011R Disc Brake Rotor - Front Right

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.66011R) are engineered for Chevrolet and GMC C1500 trucks requiring reliable braking performance. These vented rotors feature a slotted and drilled surface design to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted rotor surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade during extended use
• Nominal thickness of 1.280 inches (32.5 mm) with discard thickness at 1.215 inches (30.86 mm)
• Overall outside diameter of 11.614 inches (295 mm) for precise fitment
• Five stud/lug hole configuration with 14 mm stud thread diameter
• Compatible with Chevrolet and GMC C1500 models
• Weight approximately 27 lbs (12.27 kgs) for balanced performance

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved rotor surface technology. The combination of cross-drilled holes and precision slots helps to evacuate heat, brake dust, and gases more efficiently than standard rotors. This product line is ideal for drivers seeking a balance between everyday driving durability and sportier braking response, making it suitable for trucks like the Chevrolet and GMC C1500.

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 1.280 inches (32.5 mm), with a discard thickness of 1.215 inches (30.86 mm), ensuring a clear maintenance threshold. The outside diameter measures 11.614 inches (295 mm), and the rotor includes a 5-lug hole pattern with a 14 mm stud thread diameter and a 5.0 mm bolt thread pitch. The overall height is 4.508 inches (114.5 mm), and the center hole diameter is 3.059 inches (77.7 mm). This rotor does not include an ABS tone ring or bearings, so those components must be sourced separately if needed.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet and GMC C1500 trucks
• Improves braking consistency during heavy towing or hauling
• Reduces brake fade caused by heat buildup in demanding driving conditions
• Addresses rotor surface glazing and brake dust accumulation
• Enhances overall brake system performance with vented, slotted, and drilled design

Installation Notes and Tips

• Ensure compatibility with Chevrolet and GMC C1500 models before installation
• Check rotor thickness and discard limits to confirm replacement necessity
• Use proper torque specifications for the 5-lug mounting pattern with 14 mm studs
• Inspect brake pads and hardware during rotor replacement for optimal performance
• ABS tone ring and bearings are not included and should be installed if required by the vehicle

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. Each rotor undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty details should be confirmed with the original equipment manufacturer or authorized distributor.