Stoptech 227.66017L Disc Brake Rotor - Front Left

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor 227.66017L is engineered for reliable braking performance on Chevrolet, GMC, and Isuzu trucks and SUVs. Designed specifically for models like the Chevrolet Blazer, GMC Sonoma, and Isuzu Hombre, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Vented rotor design to reduce brake fade during extended use
• Includes ABS tone ring for compatibility with factory ABS systems
• Precision fit with 5 lug holes and 12mm stud thread diameter
• Nominal thickness of 1.035 inches and discard thickness of 0.965 inches for durability
• Compatible with hub and rotor mounting for secure installation

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 a balance of performance and durability for street-driven vehicles. Featuring a vented rotor construction combined with cross-drilled and slotted surfaces, these rotors help maintain consistent braking performance by improving heat dissipation and reducing pad glazing. The inclusion of an ABS tone ring ensures seamless integration with factory anti-lock braking systems, making them suitable for Chevrolet Blazer, GMC S10, and Isuzu Hombre models requiring reliable OEM-level fitment and function.

Technical Specifications and Features

This disc brake rotor measures 10.472 inches (266 mm) in outside diameter with an overall height of 4.311 inches (109.5 mm). It has a nominal thickness of 1.035 inches (26.3 mm) and a discard thickness of 0.965 inches (24.5 mm), ensuring long service life before replacement is necessary. The rotor features a vented design with straight vanes to optimize airflow and cooling. It includes a 5-lug hole pattern with a mounting bolt hole circle diameter of 4.752 inches (120.7 mm) and a stud thread diameter of 12 mm with a 1.5 mm pitch. The center hole diameter is 2.835 inches (72 mm), designed for hub and rotor mounting. This rotor weighs approximately 20.5 lbs (9.32 kg) and does not include bearings.

Applications and Problem Solving

• Replaces worn or warped rotors on Chevrolet Blazer, GMC S10, and Isuzu Hombre models
• Addresses brake fade caused by overheating during heavy braking or towing
• Improves braking consistency by reducing pad glazing and debris buildup
• Restores ABS functionality with included tone ring for factory systems
• Enhances rotor cooling to extend brake component lifespan

Installation Notes and Tips

Ensure the rotor is installed on compatible Chevrolet, GMC, or Isuzu models listed in the fitment. Verify the rotor thickness before installation to confirm it meets or exceeds the discard thickness of 0.965 inches. Use proper torque specifications for the 5-lug mounting pattern and inspect hub surfaces for cleanliness to ensure proper rotor seating. The included ABS tone ring must be connected correctly to maintain ABS sensor functionality. Bearings and seals are not included and should be inspected or replaced separately if necessary.

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. The vented and cross-drilled design supports consistent braking performance under normal driving conditions. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.