Stoptech 227.66043R Disc Brake Rotor - Rear Right

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.66043R) are engineered for reliable braking performance on heavy-duty vehicles. Designed specifically for Chevrolet, GMC, and Hummer models, these rotors provide enhanced heat dissipation and consistent stopping power under demanding conditions.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Vented rotor design with straight vane style to reduce brake fade
• Nominal outside diameter of 330 mm (12.992 inches) for precise fitment
• Overall height of 85.7 mm (3.374 inches) ensuring proper caliper clearance
• Eight lug holes with a 165.1 mm (6.5 inches) bolt circle diameter for secure mounting
• Discard thickness of 26.5 mm (1.043 inches) and nominal thickness of 29 mm (1.142 inches) for durability and safety
• Floating disc mounting design to accommodate thermal expansion
• Weight approximately 24 lbs (10.91 kgs) per rotor

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps to dissipate heat more effectively and remove brake dust and gases, which can improve pad contact and reduce brake fade. This product line is tailored for drivers who require dependable braking on trucks and SUVs, such as Chevrolet Silverado 1500 HD and GMC Sierra 2500 HD models.

Detailed Product Description

These vented disc brake rotors feature a solid construction with a nominal thickness of 29 mm and a discard thickness of 26.5 mm, ensuring long service life and safety compliance. The cross-drilled and slotted surface enhances cooling by allowing heat and gases to escape, which is critical during heavy braking or towing. The straight vane design inside the rotor promotes airflow to maintain optimal operating temperatures. With a center hole diameter of 117.6 mm and eight lug holes sized at 16.5 mm diameter, these rotors are designed for a precise fit on Chevrolet Avalanche 2500, GMC Savana 3500, Hummer H2, and other compatible models.

Applications and Problem Solving

• Reduces brake fade during extended braking or towing
• Improves brake pad bite and reduces glazing
• Enhances heat dissipation to prevent rotor warping
• Minimizes brake dust buildup for cleaner braking surfaces
• Provides consistent braking performance for heavy-duty trucks and SUVs

Installation Notes and Tips

Ensure the rotor surface is clean and free of any contaminants before installation. Verify the rotor thickness is above the discard thickness of 26.5 mm to maintain safety standards. This rotor does not include bearings or ABS tone rings, so confirm compatibility with your vehicle’s existing components. Proper torque specifications should be followed when mounting the rotor using the eight lug holes on a 165.1 mm bolt circle diameter.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for durability and performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the manufacturer or authorized distributor for complete warranty information.