Stoptech 227.66045R 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 227.66045R) are engineered for reliable braking performance on select GM trucks and SUVs. Designed to meet the demands of vehicles like the Chevrolet Silverado 1500 and Cadillac Escalade, these rotors provide consistent stopping power with enhanced heat dissipation.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design with straight vane style for efficient cooling
• Nominal thickness of 1.181 inches (30.000 mm) with discard thickness at 1.122 inches (28.500 mm)
• Outside diameter of 12.980 inches (329.700 mm) for precise fitment
• 6 lug holes with a bolt circle diameter of 5.500 inches (139.700 mm)
• Compatible with ABS systems (ABS tone ring not included)
• Weight approximately 20.25 lbs (9.2 kgs) for balanced performance

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering enhanced braking efficiency through advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps to reduce brake fade by allowing heat and gases to escape more effectively during braking. This product line is designed for drivers seeking improved brake response and durability without modifying the vehicle’s original braking system.

Technical Specifications and Compatibility

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling during operation. The rotor’s overall height measures 3.760 inches (95.500 mm), and the center hole diameter is 3.094 inches (78.600 mm), ensuring proper alignment and fitment. It is compatible with 6-lug wheel configurations and is designed for use on various GM models including the Cadillac Escalade, Chevrolet Tahoe, GMC Sierra 1500, and Yukon XL 1500. The part number 227.66045R corresponds specifically to the right-side rotor for these vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Improved heat dissipation to reduce brake fade during heavy towing or hauling
• Enhanced stopping power for SUVs and trucks used in daily driving or light off-road conditions
• Addressing rotor surface corrosion and scoring for smoother braking
• Upgrading factory rotors to maintain braking performance with aftermarket pads

Installation Notes and Tips

Ensure the rotor is installed on the correct side, matching the part number 227.66045R for the right side. Verify that the mounting bolt hole circle diameter of 5.500 inches (139.700 mm) aligns with the vehicle hub. Clean the rotor surface before installation to remove any protective coatings. Use proper torque specifications on lug nuts and inspect brake pads for wear during rotor replacement. ABS tone ring is not included, so confirm compatibility with the vehicle’s ABS system.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for durability and performance. The vented and cross-drilled design undergoes rigorous quality control to ensure consistent thickness and balance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.