Stoptech 227.40057L Disc Brake Rotor - Front Left

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.40057L) are engineered for Acura and Honda vehicles, including Civic, CR-V, CSX, ILX, and RSX models. Designed to enhance braking performance, these rotors feature a vented, slotted, and cross-drilled surface to improve heat dissipation and reduce brake fade under demanding conditions.

• Cross-drilled and slotted rotor surface for improved cooling and debris removal
• Vented rotor design to enhance heat dissipation
• Nominal thickness of 0.984 inches (25.000 mm) with discard thickness at 0.906 inches (23.000 mm)
• Overall height of 1.854 inches (47.100 mm) and outside diameter of 11.811 inches (300.000 mm)
• Floating disc mounting with 5 lug holes (0.492 inches / 12.500 mm diameter)
• Compatible with Acura and Honda models: Civic, CR-V, CSX, ILX, RSX

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide a balance between everyday driving and enhanced performance braking. This product line incorporates cross-drilled holes and precision slots to maintain consistent brake pad contact and improve water and gas evacuation. The vented rotor design further supports thermal management, making these rotors suitable for drivers seeking reliable stopping power on Acura and Honda vehicles without compromising rotor longevity.

Technical Specifications and Features

These disc brake rotors feature a vented construction with straight vanes that promote airflow to reduce heat buildup during braking. The rotor’s nominal thickness is 0.984 inches (25.000 mm), with a discard thickness of 0.906 inches (23.000 mm), ensuring a clear maintenance threshold. The overall height measures 1.854 inches (47.100 mm), and the outside diameter is 11.811 inches (300.000 mm), matching factory specifications for proper fitment. The rotor includes a floating disc mounting system and four miscellaneous holes for additional mounting stability. Note that this rotor does not include an ABS tone ring or bearings.

Applications and Problem Solving

• Improves braking performance on Acura and Honda Civic, CR-V, CSX, ILX, and RSX models
• Reduces brake fade caused by heat buildup during aggressive or extended braking
• Helps prevent rotor warping and cracking through enhanced cooling
• Maintains consistent brake pad contact for smoother stopping power
• Assists in water and debris evacuation to improve wet weather braking

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.906 inches) before installation
• Verify compatibility with vehicle make and model, specifically Acura and Honda Civic, CR-V, CSX, ILX, and RSX
• Use proper torque specifications for the 5 lug holes (0.492 inches diameter)
• Inspect brake pads and calipers during rotor replacement for optimal performance
• Floating disc mounting requires correct alignment to avoid uneven wear

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for durability and performance. Each rotor undergoes rigorous quality control to ensure dimensional accuracy 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.