Stoptech 127.40021R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.40021R) are engineered for Acura and Honda vehicles, including models like the Civic, Integra, and Fit. Designed to enhance braking performance, these rotors feature a vented, slotted, and cross-drilled surface to improve heat dissipation and maintain consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Vented rotor design with straight vane style for enhanced cooling
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better rotor alignment and reduced warping
• Compatible with Acura and Honda models including Civic, Integra, Fit, and more
• Nominal thickness of 0.827 inches (21.000 mm) with discard thickness at 0.748 inches (19.000 mm)
• Overall diameter of 10.315 inches (262.000 mm) and overall height of 1.756 inches (44.600 mm)
• Four stud/lug holes with a 100 mm bolt circle diameter

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 through improved rotor cooling and debris removal. The combination of cross-drilled holes and precision slots helps reduce brake fade by allowing heat and gases to escape more efficiently. This product line is ideal for drivers seeking reliable, consistent braking on Acura and Honda vehicles, especially for models like the Civic and Integra that benefit from upgraded rotor technology.

Product Details and Specifications

This disc brake rotor features a vented design with straight vanes that promote airflow to keep the rotor cool during heavy braking. The rotor’s coated hat finish offers protection against rust and corrosion, extending the rotor’s service life. With a floating disc mounting system, the rotor can better accommodate thermal expansion and reduce the risk of warping. The rotor measures 10.315 inches (262 mm) in outside diameter and has a nominal thickness of 0.827 inches (21 mm), with a discard thickness of 0.748 inches (19 mm). It includes four stud/lug holes with a diameter of 0.496 inches (12.6 mm) and a mounting bolt hole circle diameter of 100 mm (3.937 inches). This rotor does not include ABS tone rings or bearings.

Compatible Vehicles and Applications

• Acura models including Integra and EL
• Honda models such as Civic, Civic del Sol, Fit, Insight, and City
• Ideal for drivers seeking improved brake cooling and performance on street and light track use
• Suitable for replacing worn or warped rotors to restore braking efficiency
• Addresses issues like brake fade, rotor warping, and uneven pad wear

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.748 inches) before installation
• Use proper torque specifications for the four lug holes (12.6 mm diameter)
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Floating rotor design requires correct mounting to allow for thermal expansion
• Coated hat finish should be handled carefully to avoid damage during installation

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The rotors undergo 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.