Stoptech 127.44157R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.44157R) is engineered for Lexus and Toyota vehicles, including the Land Cruiser, LX570, Sequoia, and Tundra models. Designed to enhance braking performance, this rotor features a vented, cross-drilled, and slotted surface to improve heat dissipation and maintain consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish for corrosion resistance
• Compatible with Lexus Land Cruiser, LX570, Toyota Sequoia, and Tundra
• Disc mounting type: Floating / Dih
• Overall diameter: 345 mm (13.583 inches)
• Nominal thickness: 18.000 mm (0.709 inches)
• Discard thickness: 16.000 mm (0.630 inches)
• 5 lug holes with 16.3 mm diameter
• Weight approximately 8.23 kg (18.1 lbs)

Detailed Product Description

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (127.44157R) is designed with a vented rotor construction featuring straight vanes to optimize airflow and cooling during braking. The cross-drilled holes and precision-machined slots help evacuate heat, brake dust, and gases generated during braking, which can improve pad bite and reduce brake fade. The rotor’s coated hat finish provides additional protection against corrosion, extending the rotor’s service life. With an overall height of 76 mm (2.992 inches) and a center hole diameter of 112 mm (4.409 inches), this rotor is engineered to exact specifications for a secure fit on compatible Lexus and Toyota models.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Product Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor surface designs. This product line combines cross-drilled holes and slots to improve heat dissipation and maintain consistent brake pad contact. The vented rotor design further aids in cooling, making these rotors suitable for both daily driving and more demanding conditions. The 127.44157R rotor is a part of this line, tailored specifically for select Lexus and Toyota vehicles to meet OEM fitment and performance standards.

Common Applications and Issues Addressed

• Reduces brake fade during towing or heavy load conditions on Toyota Tundra and Lexus LX570
• Improves braking response and pad bite for off-road capable Land Cruiser models
• Helps prevent rotor warping caused by excessive heat buildup
• Minimizes brake dust accumulation on Toyota Sequoia brake components
• Maintains consistent braking performance under repeated hard stops

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness of 16.000 mm before installation
• Verify compatibility with vehicle lug pattern: 5 lug holes, 16.3 mm diameter
• Use proper torque specifications for mounting bolts on the 150 mm bolt circle diameter
• Inspect brake pads and calipers for wear or damage during rotor replacement
• Follow manufacturer’s recommended bedding-in procedure for optimal rotor and pad performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet strict quality standards, 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 a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.