Stoptech 227.44156L Disc Brake Rotor - Front Left

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.44156L) are engineered for reliable braking performance on Lexus and Toyota vehicles. Designed specifically for models like the Land Cruiser, LX570, Sequoia, and Tundra, these rotors offer enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design to reduce brake fade during extended use
• Nominal thickness of 1.260 inches (32.000 mm) with discard thickness at 1.142 inches (29.000 mm)
• Overall height of 3.268 inches (83.000 mm) and outside diameter of 13.917 inches (353.500 mm)
• Floating disc mounting with 5 lug holes and a mounting bolt hole circle diameter of 150.000 mm (5.906 inches)
• Compatible with Lexus Land Cruiser, LX570 and Toyota Sequoia, Tundra models

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps to evacuate heat, brake dust, and gases more efficiently than standard rotors. This product line is designed to provide improved pedal feel and reduced brake fade, making it suitable for both daily driving and more demanding conditions encountered by Lexus and Toyota SUVs and trucks.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling. The rotor’s nominal thickness is 1.260 inches (32.000 mm), with a discard thickness of 1.142 inches (29.000 mm), ensuring a long service life before replacement is necessary. The overall height measures 3.268 inches (83.000 mm), and the outside diameter is 13.917 inches (353.500 mm). It includes 5 stud/lug holes with a diameter of 0.642 inches (16.300 mm) and a center hole diameter of 4.409 inches (112.000 mm). The rotor mounts using a floating disc system and features two additional miscellaneous holes for secure installation. Weighing approximately 25.95 lbs (11.8 kgs), this rotor balances durability and performance.

Applications and Problem Solving

• Replaces worn or warped rotors on Lexus Land Cruiser, LX570, Toyota Sequoia, and Tundra
• Reduces brake fade caused by overheating during towing or heavy loads
• Improves braking response and pedal feel under demanding driving conditions
• Helps prevent brake judder and vibration from uneven rotor surfaces
• Enhances heat dissipation to extend brake pad life and rotor durability

Installation Notes and Tips

• Ensure compatibility with your specific Lexus or Toyota model before installation
• Inspect brake pads and replace if worn to maintain optimal braking performance
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check for proper rotor thickness and discard limits during installation
• Bleed brake system if necessary after rotor replacement to maintain pedal feel

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 refer to the product packaging or manufacturer documentation for complete warranty information.