Stoptech 126.66069SR Disc Brake Rotor - Front Right

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.66069SR) are engineered for reliable braking performance on select Buick, Chevrolet, GMC, and Saturn vehicles. Designed specifically for models like the Acadia, Acadia Limited, Enclave, Outlook, and Traverse, these rotors offer enhanced heat dissipation and consistent stopping power.

• Vented disc brake rotor design for improved cooling
• Slotted surface type to reduce brake fade and maintain pad bite
• Coated hat finish to resist corrosion
• Floating disc mounting for better rotor alignment and performance
• Compatible with 6 lug/stud holes and 5.197 inch bolt circle diameter

Technical Specifications and Features

The StopTech Sport Slotted Disc Brake Rotor features a nominal thickness of 1.142 inches (29.000 mm) and a discard thickness of 1.083 inches (27.500 mm), ensuring durability and longevity under demanding conditions. The rotor has an outside diameter of 12.795 inches (325.000 mm) and an overall height of 2.157 inches (54.800 mm). It includes a single misc hole and a straight vane style for efficient heat dissipation. The center hole diameter measures 2.972 inches (75.500 mm), and the hat ID is 6.713 inches (170.500 mm). Weighing approximately 23.15 lbs (10.52 kgs), this vented rotor is designed without ABS tone ring or bearings included.

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on performance-oriented rotors that provide enhanced braking through slotted surfaces and vented designs. This product line is tailored to improve heat management and reduce brake fade, making it suitable for drivers who require consistent braking performance in both daily driving and more demanding conditions. The 126.66069SR rotor exemplifies these qualities with its floating disc mounting and coated hat finish for corrosion resistance.

Applications and Problem Solving

• Compatible with Buick Acadia, Acadia Limited, Chevrolet Traverse, GMC Acadia, and Saturn Outlook models
• Addresses brake fade caused by excessive heat buildup
• Reduces pad glazing and improves pad bite with slotted surface
• Helps maintain rotor integrity under heavy braking conditions
• Prevents corrosion on the rotor hat with coated finish

Installation Notes and Tips

• Ensure rotor discard thickness is checked before installation to maintain safety
• Verify compatibility with vehicle lug/stud hole pattern (6 holes, 0.618 inch diameter)
• Floating disc mounting requires proper alignment during installation
• Use recommended torque specifications for mounting bolts
• Inspect brake pads and calipers for wear when replacing rotors

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides added 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 product documentation or manufacturer resources for exact warranty terms.