Stoptech 127.66009R 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 127.66009R) are engineered for reliable braking performance on select GM trucks and SUVs. Designed to meet the demands of vehicles like the Chevrolet Tahoe, GMC Yukon, 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 with straight vane style to reduce brake fade
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better rotor alignment and performance
• Compatible with 6-lug wheel setups and specific bolt patterns

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 evacuate gases and debris from the brake pad surface, which is critical for maintaining consistent braking under demanding conditions. The vented rotor construction with straight vanes further aids in heat management, making this product line suitable for trucks and SUVs requiring reliable braking performance.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.287 inches (32.7 mm) and a discard thickness of 1.215 inches (30.86 mm), ensuring a durable lifespan before replacement is necessary. The rotor has an outside diameter of 11.606 inches (294.8 mm) and an overall height of 2.622 inches (66.6 mm). It includes a floating disc mounting system and a coated hat finish to protect against corrosion. The rotor is vented with straight vanes to optimize airflow and cooling. It is designed for vehicles with a 6-lug wheel configuration, a mounting bolt hole circle diameter of 5.5 inches (139.7 mm), and a center hole diameter of 3.098 inches (78.7 mm). This rotor does not include ABS tone rings or bearings.

Compatible Vehicles and Applications

• Chevrolet Blazer
• Chevrolet Tahoe
• GMC Yukon
• GMC K1500 and K1500 Suburban
• GMC K2500
• Cadillac Escalade

This rotor is specifically designed for these GM models, ensuring proper fitment and optimal braking performance.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup during towing or heavy braking
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats reducing rotor lifespan
• Brake noise and vibration from warped or worn rotors
• Reduced braking efficiency in wet or dusty conditions

Installation Notes and Tips

• Ensure rotor discard thickness is checked before installation to confirm suitability
• Use proper torque specifications for the 6-lug wheel mounting bolts
• Inspect brake pads and calipers for wear or damage during rotor replacement
• Clean rotor surface before installation to remove any protective coatings or debris
• Verify compatibility with vehicle ABS systems as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

StopTech rotors are manufactured to meet or exceed OEM specifications for durability and performance. 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. Always consult the product documentation or manufacturer for exact warranty terms.