Stoptech 227.44146R Disc Brake Rotor - Front Right

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor 227.44146R is engineered for reliable braking performance on select Lexus, Pontiac, Scion, and Toyota vehicles. Designed to enhance heat dissipation and maintain consistent stopping power, this rotor is a practical upgrade for models like the Toyota Camry, Lexus ES350, and Scion tC.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade under heavy use
• Floating disc mounting for better rotor alignment and performance
• Compatible with 5-lug wheel configurations with 114.3 mm bolt circle diameter
• Nominal thickness of 28.0 mm and discard thickness at 25.0 mm for durability
• Overall diameter of 295.9 mm (11.65 inches) fits specific vehicle models
• Weight approximately 16.35 lbs (7.43 kgs) for balanced handling

About the StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor surface technology. Featuring a combination of cross-drilled holes and precision slots, these rotors improve pad bite and help evacuate heat and debris more efficiently than standard rotors. The vented design further aids in cooling, making them suitable for daily driving and spirited use on compatible Lexus, Pontiac, Scion, and Toyota models.

Technical Specifications and Compatibility

This disc brake rotor 227.44146R is vented with straight vanes to optimize airflow and cooling. It has a center hole diameter of 62.0 mm (2.441 inches) and includes two additional miscellaneous holes for mounting precision. The rotor is designed for vehicles with 5 lug holes, each 14.5 mm (0.571 inches) in diameter, arranged on a 114.3 mm (4.5 inches) bolt circle diameter. The overall height measures 49.6 mm (1.953 inches), ensuring proper fitment and clearance.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup during extended braking
• Improves braking response and pad bite on Lexus ES300h and Toyota RAV4 models
• Helps prevent rotor warping and uneven wear on Pontiac Vibe and Scion iM vehicles
• Enhances water and debris evacuation for consistent braking in wet conditions
• Maintains structural integrity under daily driving and moderate performance use

Installation Notes and Tips

• Ensure rotor discard thickness of 25.0 mm is not exceeded to maintain safety
• Check compatibility with vehicle ABS systems as this rotor does not include an ABS tone ring
• Use proper torque specifications for the 5 lug nuts on the 114.3 mm bolt circle
• Inspect brake pads and calipers during installation for optimal performance
• Floating disc mounting requires correct alignment to avoid noise and uneven wear

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, StopTech products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.