Stoptech 127.44130L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.44130L is engineered for Lexus and Toyota vehicles, including the Highlander, RX330, RX350, and RX400h models. Designed to enhance braking performance, this vented rotor features a slotted and drilled surface for improved heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for efficient heat and gas dissipation
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for improved rotor alignment and performance
• Compatible with Lexus Highlander, RX330, RX350, RX400h and Toyota models
• Part number 127.44130L ensures precise fitment and quality

Detailed Product Features and Specifications

This StopTech rotor has a nominal thickness of 1.102 inches (28.000 mm) and a discard thickness of 1.024 inches (26.000 mm), ensuring reliable wear limits for safety and performance. The rotor’s outside diameter measures 12.559 inches (319.000 mm), with an overall height of 1.941 inches (49.300 mm). It includes a 5-lug hole pattern with a 4.500 inch (114.300 mm) bolt circle diameter and 0.571 inch (14.500 mm) stud hole diameter, matching factory specifications for the listed Lexus and Toyota models. The rotor features a floating disc mounting system and straight vane style for optimal cooling efficiency. Note that this rotor does not include ABS tone rings or bearings.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and debris removal. The combination of cross-drilled holes and precision slots helps maintain consistent brake pad contact and reduces the risk of brake fade during demanding driving conditions. This product line is suitable for drivers seeking a balance between daily driving reliability and spirited performance, making it a practical upgrade for Lexus Highlander and RX series vehicles.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Enhances wet weather braking by channeling water away from the rotor surface
• Minimizes brake dust buildup for cleaner braking components
• Restores braking performance on worn or damaged factory rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Use proper torque specifications for lug nuts to avoid rotor damage
• Inspect brake pads and replace if worn to maximize rotor performance
• Clean rotor surface with brake cleaner before installation to remove any protective coatings
• Verify compatibility with vehicle ABS system as this rotor does not include an ABS tone ring

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 127.44130L rotor undergoes rigorous quality control to ensure durability and consistent performance. 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.