Stoptech 227.66000R Disc Brake Rotor - Front Right

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.66000R) provide reliable braking performance for a range of GM vehicles including Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models. Designed with vented construction and a slotted x drilled surface, these rotors help maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Vented rotor design to reduce brake fade during extended use
• Nominal thickness of 1.283 inches (32.590 mm) with discard thickness at 1.215 inches (30.860 mm)
• Overall outside diameter of 11.85 inches (301 mm) for precise fitment
• 5 lug holes with 0.5 inch stud thread diameter and 5 inch bolt circle diameter
• Compatible with hub and rotor mounting
• Weight approximately 29.4 lbs (13.36 kgs) for balanced performance

Detailed Product Description

This StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor (227.66000R) features a vented design with straight vanes to optimize airflow and cooling. The cross-drilled and slotted surface enhances brake pad bite and helps evacuate gases, dust, and water, which can improve braking consistency and reduce fade. The rotor’s precise dimensions, including a 3.059 inch (77.7 mm) center hole diameter and 5 lug holes, ensure compatibility with a variety of GM vehicles such as the Chevrolet Blazer, Cadillac DeVille, Buick LeSabre, Pontiac Bonneville, and GMC Sierra models. This rotor does not include ABS tone rings or bearings, so it is intended for direct replacement where those components are not required.

Compatible Vehicles and Applications

• Buick models including LeSabre and Riviera
• Cadillac models such as DeVille and Fleetwood
• Chevrolet trucks and SUVs including C10, C1500, Blazer, and Suburban
• GMC trucks and SUVs like Sierra and Jimmy
• Oldsmobile and Pontiac full-size sedans and coupes

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.215 inches) before installation
• Check compatibility with vehicle’s hub and lug pattern (5 lug, 0.5 inch stud diameter)
• Use proper torque specifications for mounting bolts (20 mm thread pitch)
• Inspect brake pads and hardware for wear during rotor replacement
• Clean rotor surface before installation to remove any protective coatings

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for durability and performance. The vented rotor design and high-quality materials contribute to consistent braking under various driving conditions. 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 packaging or manufacturer for exact warranty terms.