Stoptech 127.66057R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.66057R) 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 and enhanced heat dissipation.

• 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
• Floating disc mounting for better thermal expansion and rotor alignment
• Compatible with 6-lug wheel configurations on GM trucks and SUVs

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine cross-drilled holes and precision slots. This design enhances cooling and helps remove brake dust and gases, which can improve braking consistency. The vented rotor construction further aids in heat management, making this product line suitable for vehicles like the GMC Sierra 1500 and Cadillac Escalade EXT that require dependable braking under varied driving conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.102 inches (28.000 mm), ensuring a solid lifespan before replacement is necessary. The rotor has an outside diameter of 12.992 inches (330.000 mm) and an overall height of 2.165 inches (55.000 mm). It includes a coated hat finish to protect against corrosion and a floating disc mounting system to accommodate thermal expansion. The rotor is vented with straight vanes to optimize airflow and cooling. It is designed for vehicles with a 6-lug wheel pattern, mounting bolt circle diameter of 5.531 inches (140.500 mm), and a center hole diameter of 3.091 inches (78.500 mm).

Compatible Vehicles

• Cadillac Escalade, Escalade ESV, Escalade EXT, XTS
• Chevrolet Avalanche, Cheyenne, Express 1500, Silverado 1500 (including Classic and LD), Suburban 1500, Tahoe
• GMC Sierra 1500 (including Classic and Limited), Savana 1500, Yukon, Yukon XL, Yukon XL 1500

Common Applications and Problem Solving

• Reduces brake fade during heavy towing or hauling
• Improves heat dissipation for consistent braking performance
• Minimizes brake dust buildup on pads and wheels
• Helps prevent rotor warping under high thermal stress
• Enhances stopping power for large GM trucks and SUVs

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Check rotor thickness and discard limits regularly to maintain safety
• Use proper torque specifications on lug nuts to avoid rotor damage
• Inspect brake pads and replace if worn to maximize rotor performance
• Professional installation is recommended for optimal fit and function

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Refer to the manufacturer’s warranty documentation for complete terms.