Stoptech 127.40039L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.40039L is engineered for Acura and Honda vehicles, specifically designed for models like the Accord and CL. This vented rotor features a slotted and drilled surface to enhance braking performance and heat dissipation under demanding conditions.

• Cross-drilled and slotted surface for improved heat dissipation and debris removal
• Vented rotor design with straight vane style for efficient cooling
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with Acura Accord and Honda CL models
• Nominal thickness of 0.906 inches (23.000 mm) and discard thickness of 0.827 inches (21.000 mm)
• Overall diameter of 10.236 inches (260.000 mm) and height of 1.850 inches (47.000 mm)
• Four stud/lug holes with a diameter of 0.492 inches (12.500 mm)

Detailed Product Description

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are designed to provide consistent braking performance for Acura Accord and Honda CL vehicles. The rotor’s vented construction with straight vanes promotes effective airflow, reducing heat buildup during braking. The cross-drilled and slotted surface helps evacuate gases, dust, and water, improving pad bite and reducing brake fade. The coated hat finish offers corrosion resistance, maintaining rotor integrity over time. This rotor features a floating disc mounting system that accommodates thermal expansion, minimizing the risk of warping. With a nominal thickness of 0.906 inches and a discard thickness of 0.827 inches, this rotor meets precise specifications for safe and reliable operation.

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine enhanced cooling and braking efficiency. The cross-drilled and slotted design is intended to improve pad contact and reduce heat-related issues, making these rotors suitable for spirited driving and daily use. This product line balances durability with performance, providing a reliable upgrade for compatible Acura and Honda models.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or repeated braking
• Improves braking response in wet or dusty conditions
• Minimizes rotor warping caused by thermal stress
• Helps maintain consistent pad contact and braking performance
• Prevents corrosion on the rotor hat for longer service life

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.827 inches) before installation
• Verify compatibility with Acura Accord and Honda CL models prior to purchase
• Use proper torque specifications on lug nuts to avoid rotor distortion
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Clean rotor surface with brake cleaner before installation to remove any protective coatings

Quality Assurance and Warranty

StopTech rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. The 127.40039L rotor undergoes rigorous testing for dimensional accuracy and material integrity. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship.