Stoptech 127.44147R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.44147R) is engineered for enhanced braking performance on select Lexus, Scion, and Toyota vehicles. Designed to improve heat dissipation and reduce brake fade, this rotor is a reliable upgrade for models like the Lexus HS250h, Toyota Prius V, RAV4, and Scion xB.

• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design to enhance heat dissipation
• Coated hat finish to resist corrosion
• Floating disc mounting for better thermal expansion management
• Compatible with 5-lug wheel configurations
• Precision dimensions: 10.827 inch (275 mm) outside diameter, 0.980 inch (24.9 mm) nominal thickness

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 improves brake pad bite and helps evacuate gases, dust, and water from the rotor surface. The vented construction and floating mounting system further support consistent braking under demanding conditions. This part number 127.44147R is part of this line, offering a balance of durability and enhanced braking response for compatible Lexus, Scion, and Toyota models.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling. The rotor has a coated hat finish to protect against rust and corrosion, extending service life. It measures 10.827 inches (275 mm) in outside diameter with a nominal thickness of 0.980 inches (24.9 mm) and a discard thickness of 0.866 inches (22 mm). The overall height is 1.827 inches (46.4 mm), and it includes two miscellaneous holes and a floating disc mounting system to accommodate thermal expansion. The rotor is designed for vehicles with a 5-lug wheel pattern, 4.5 inch (114.3 mm) bolt circle diameter, and 0.571 inch (14.5 mm) stud hole diameter.

Compatible Vehicles and Applications

• Designed for Lexus HS250h models
• Compatible with Toyota Prius V and RAV4
• Fits Scion xB vehicles
• Ideal for drivers seeking improved brake cooling and performance
• Suitable for replacement or performance upgrade on specified models

Installation Notes and Tips

• Ensure rotor thickness is within discard limits before installation
• Verify compatibility with vehicle’s 5-lug wheel pattern and bolt circle diameter
• Use proper torque specifications for mounting bolts
• Check for ABS tone ring compatibility; this rotor does not include one
• Inspect brake pads and calipers during installation for optimal performance

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 manufacturer-backed quality guarantees. Always consult the product documentation or manufacturer for warranty information related to part number 127.44147R.