Stoptech 127.40056L 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 127.40056L) are engineered for Acura and Honda vehicles, including the Civic, CR-Z, and RSX models. Designed to enhance braking performance, these rotors feature a vented, cross-drilled, and slotted 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 during extended use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for improved rotor alignment and performance
• Compatible with 5-lug wheel setups with a 114.3 mm bolt circle diameter
• Nominal thickness of 0.827 inches (21.000 mm) and discard thickness of 0.748 inches (19.000 mm)
• Outside diameter of 10.295 inches (261.500 mm) and overall height of 1.850 inches (47.000 mm)

About the 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 for sport compact and performance-oriented vehicles. Featuring a combination of cross-drilled holes and precision slots, these rotors improve pad bite and help evacuate heat and debris from the braking surface. The vented rotor design further aids in cooling, making this product line suitable for spirited driving and daily use on Acura and Honda models such as the Civic, CR-Z, and RSX.

Technical Specifications and Features

This disc brake rotor is vented with straight vanes to optimize airflow and cooling. The rotor’s hat is coated to protect against rust and corrosion, ensuring durability over time. It has a floating disc mounting style, which allows for slight movement to reduce stress and improve braking consistency. The rotor fits vehicles with a 5-lug wheel pattern, 12.6 mm stud diameter, and a 114.3 mm bolt circle diameter. The center hole diameter measures 64.2 mm (2.528 inches), and the rotor weighs approximately 11.5 lbs (5.22 kgs).

Applications and Problem Solving

• Reduces brake fade caused by heat buildup during aggressive driving
• Improves braking response and pad bite with slotted and drilled surface
• Helps prevent rotor warping through enhanced cooling with vented design
• Minimizes corrosion with coated hat finish for longer service life
• Compatible with Acura Civic, CR-Z, and Honda RSX models requiring part number 127.40056L

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make, model, and year before installation
• Inspect brake pads and hardware for wear and replace if necessary during rotor installation
• Torque lug nuts to manufacturer specifications to avoid rotor distortion
• Perform a proper bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rotors undergo rigorous quality control to ensure consistent performance and durability. 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.