Stoptech 127.40042L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.40042L is engineered for Acura and Honda vehicles, including the Accord, Civic, Integra, and RSX models. Designed to enhance braking performance, this rotor combines a solid construction with a coated hat finish for durability and corrosion resistance.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Solid rotor design with a coated hat finish to resist corrosion
• Nominal thickness of 0.354 inches (9.000 mm) and discard thickness of 0.315 inches (8.000 mm)
• Overall diameter of 10.224 inches (259.700 mm) suitable for specified Acura and Honda models
• Floating disc mounting with 5 lug holes and 4 additional miscellaneous holes for secure fitment
• Weight of approximately 8.5 lbs (3.86 kgs) for balanced performance

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking efficiency through improved heat management and pad bite. The cross-drilled holes and slots help reduce brake fade by allowing gases and debris to escape, while the solid rotor construction ensures consistent performance. This product line is tailored for drivers seeking reliable stopping power in daily driving and spirited use, compatible with select Acura and Honda vehicles.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 0.354 inches (9.000 mm) and a discard thickness of 0.315 inches (8.000 mm), ensuring a long service life before replacement is necessary. The rotor’s overall height measures 1.902 inches (48.300 mm), and it has an outside diameter of 10.224 inches (259.700 mm). The hat is coated to resist corrosion, extending the rotor’s durability. It includes a floating disc mounting design with a 114.3 mm (4.5 inch) bolt hole circle diameter and 5 lug holes sized at 0.496 inches (12.6 mm) diameter. The center hole diameter is 2.528 inches (64.2 mm). This rotor does not include ABS tone rings or bearings.

Compatible Vehicles and Applications

• Compatible with Acura Accord, Civic, Integra, and RSX models
• Designed for drivers seeking improved braking performance and heat dissipation
• Suitable for replacement or upgrade of original equipment rotors on specified vehicles
• Ideal for daily driving and moderate performance use

Installation Notes and Tips

• Ensure rotor discard thickness is not exceeded during installation to maintain safety
• Verify compatibility with vehicle make and model before installation
• Use proper torque specifications for mounting bolts to avoid warping
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Professional installation is recommended for precise fitment and safety

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. 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.