Stoptech 227.40017L Disc Brake Rotor - Rear Left

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor 227.40017L is engineered for Acura and Honda vehicles, including Accord, Civic, Civic del Sol, CRX, Integra, and Prelude models. Designed to enhance braking performance, this solid rotor features a cross-drilled and slotted surface for improved heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for enhanced cooling and debris removal
• Solid rotor design with a 239 mm (9.409 inch) outside diameter
• Nominal thickness of 9.000 mm (0.354 inch) with discard thickness at 8.000 mm (0.315 inch)
• Overall height of 48.200 mm (1.898 inch)
• Floating disc mounting with 4 stud/lug holes (12.7 mm diameter)
• Compatible with Acura and Honda models: Accord, Civic, Civic del Sol, CRX, Integra, Prelude

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 performance and durability for street-driven vehicles. This product line features rotors with precision-machined slots and drilled holes that help reduce brake fade by improving heat dissipation and removing gas and debris from the pad surface. The solid rotor construction offers reliable strength and consistent braking feel, making it suitable for daily driving and spirited street use.

Technical Specifications and Features

This disc brake rotor has a solid design with a 239 mm outside diameter and an overall height of 48.2 mm. The nominal thickness is 9.0 mm, with a discard thickness of 8.0 mm, ensuring a clear service life indicator. The rotor includes four mounting bolt holes arranged on a 100 mm bolt circle diameter and four additional miscellaneous holes. It does not include an ABS tone ring or bearings. The center hole diameter measures 61 mm, and the rotor weighs approximately 8 lbs (3.64 kg).

Applications and Problem Solving

• Improves braking performance on Acura and Honda Accord, Civic, Civic del Sol, CRX, Integra, and Prelude models
• Reduces brake fade during extended or aggressive braking
• Helps prevent pad glazing and improves pad bite with slotted and drilled surface
• Enhances heat dissipation to maintain consistent braking feel
• Addresses rotor warping and uneven wear issues common with stock rotors

Installation Notes and Tips

• Ensure compatibility with your specific Acura or Honda model and verify part number 227.40017L before installation
• Inspect brake pads and replace if worn to optimize rotor performance
• Clean rotor surface with brake cleaner before installation to remove any protective coatings
• Torque mounting bolts to manufacturer specifications to avoid rotor distortion
• Check for proper wheel clearance due to rotor thickness and diameter

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. Each rotor undergoes strict 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. Consult product documentation or manufacturer resources for exact warranty terms.