Stoptech 127.44086L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.44086L) are engineered for Lexus Land Cruiser and Toyota LX470 models. Designed to enhance braking performance, these rotors feature a vented, slotted, and cross-drilled surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Lexus Land Cruiser and Toyota LX470
• Part Number: 127.44086L
• Vented disc brake rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Overall diameter: 12.323 inches (313 mm)
• Nominal thickness: 1.260 inches (32 mm)
• Mounting bolt hole quantity: 5 with 0.496 inch (12.6 mm) diameter
• Weight: 19.5 lbs (8.86 kgs)

Detailed Product Features and Specifications

This disc brake rotor is designed with a vented construction featuring straight vanes to optimize airflow and cooling during braking. The cross-drilled and slotted surface helps to reduce brake fade by allowing gases and debris to escape, improving pad bite and wet-weather performance. The coated hat finish protects against rust and corrosion, extending rotor life. The rotor measures 12.323 inches (313 mm) in outside diameter with a nominal thickness of 1.260 inches (32 mm) and a discard thickness of 1.181 inches (30 mm). It mounts behind the hub using five bolt holes arranged on a 5.669 inch (144 mm) bolt circle diameter. The center hole diameter is 4.531 inches (115.1 mm).

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance for sport and off-road applications. This product line focuses on improving heat dissipation and brake pad contact through precision cross-drilling and slotting patterns. These rotors are engineered to maintain consistent braking under high stress, making them suitable for vehicles like the Lexus Land Cruiser and Toyota LX470 that may encounter demanding driving conditions.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves wet-weather braking performance by channeling water away
• Minimizes brake dust and debris buildup on rotor surface
• Helps maintain consistent brake pad contact and bite
• Protects against corrosion with coated hat finish

Installation Notes and Tips

• Ensure compatibility with Lexus Land Cruiser and Toyota LX470 before installation
• Check rotor thickness and discard limits to confirm suitability for replacement
• Use proper torque specifications for the 5 mounting bolts on the 144 mm bolt circle
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Follow manufacturer guidelines for bedding-in new rotors and pads

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides additional 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. It is recommended to consult the product documentation or manufacturer for exact warranty terms.