Stoptech 227.40057R Disc Brake Rotor - Front Right

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.40057R) 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 surface for improved heat dissipation and debris removal
• Vented rotor design to maintain optimal operating temperatures
• 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)
• Center hole diameter of 2.528 inches (64.200 mm) and mounting bolt hole circle diameter of 4.500 inches (114.300 mm)
• Weight approximately 15 lbs (6.82 kgs)

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are part of StopTech's Select Sport line, which focuses on delivering enhanced braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps to evacuate gases, dust, and water from the braking surface, improving pad bite and reducing the risk of brake fade. This product line is designed to meet the demands of daily driving and spirited performance, making it suitable for Acura and Honda models such as the Civic and RSX.

Technical Specifications and Features

These rotors are vented to allow air to flow through the internal vanes, which are straight in design, helping to maintain consistent brake temperatures during operation. The floating disc mounting system provides slight lateral movement to reduce stress and improve rotor longevity. The rotor’s dimensions, including a nominal thickness of 0.984 inches and an outside diameter of 11.811 inches, ensure compatibility with specified Acura and Honda models. Note that these rotors do not include ABS tone rings or bearings.

Applications and Problem Solving

• Compatible with Acura and Honda models: Civic, CR-V, CSX, ILX, RSX
• Addresses brake fade caused by excessive heat buildup
• Reduces brake dust accumulation on rotor surface
• Improves wet weather braking performance by channeling water away
• Minimizes vibration and noise through precise rotor design

Installation Notes and Tips

• Ensure rotor discard thickness of 0.906 inches is not exceeded during replacement
• Verify rotor dimensions and bolt pattern match vehicle specifications before installation
• Use proper torque specifications on mounting bolts to avoid warping
• Inspect brake pads and calipers for wear when replacing rotors
• Clean rotor surface before installation to remove any protective coatings

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, StopTech products typically come with a limited warranty covering defects in materials and workmanship. It is recommended to consult the product documentation or manufacturer for exact warranty terms.