Stoptech 127.44109R 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 127.44109R) is engineered for Toyota 4Runner and Tacoma models. Designed to enhance braking performance, this vented rotor features a slotted and drilled surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Toyota 4Runner and Tacoma vehicles
• Vented disc brake rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Overall diameter of 296.8 mm (11.685 inches)
• Nominal thickness of 21.7 mm (0.854 inches) with discard thickness at 20.0 mm (0.787 inches)
• Floating disc mounting design with straight vane style for efficient cooling
• 6 lug holes with a bolt circle diameter of 139.7 mm (5.5 inches)
• Weight approximately 6.14 kg (13.5 lbs)

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide improved brake pad bite and enhanced heat dissipation through its unique combination of cross-drilled holes and precision slots. This design helps reduce brake fade and maintain consistent braking performance, especially in high-stress driving scenarios. The coated hat finish adds durability by protecting against rust and corrosion, making it suitable for both daily driving and more aggressive use.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes that promote airflow to cool the rotor during braking. The rotor’s overall height measures 70.5 mm (2.776 inches), and it includes six lug holes sized at 14.6 mm (0.575 inches) diameter, arranged on a 139.7 mm (5.5 inches) bolt circle. The center hole diameter is 108 mm (4.252 inches), ensuring proper fitment on compatible Toyota 4Runner and Tacoma models. The floating disc mounting style allows for slight rotor movement, which can help reduce stress and improve braking consistency.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Enhances brake pad cleaning for consistent bite
• Resists corrosion with coated hat finish for longer service life
• Compatible replacement for worn or damaged rotors on Toyota 4Runner and Tacoma

Installation Notes and Tips

• Ensure compatibility with your specific Toyota 4Runner or Tacoma model year before installation
• Inspect brake pads and hardware for wear and replace if necessary
• Torque lug nuts to manufacturer specifications to avoid rotor damage
• Check rotor thickness and discard limits; replace if below 20.0 mm (0.787 inches)
• Professional installation is recommended for optimal brake system performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The rotors undergo strict quality control processes to maintain consistent dimensions and material integrity. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.