Stoptech 127.40055L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.40055L is engineered for Acura and Honda vehicles, specifically designed for models like the Accord and TSX. This solid rotor features a coated hat finish and a floating disc mounting system to enhance braking performance and durability.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Solid rotor design with a coated hat finish to resist corrosion
• Overall diameter of 10.236 inches (260 mm) and nominal thickness of 0.354 inches (9.000 mm)
• Floating disc mounting with 5 lug holes on a 4.5-inch (114.3 mm) bolt circle diameter
• Compatible with Acura Accord and Honda TSX models

Detailed Product Features and Specifications

This StopTech rotor, part number 127.40055L, is a solid disc brake rotor with a cross-drilled and slotted surface type designed to improve braking efficiency by allowing gases and debris to escape, reducing brake fade. The rotor has 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 coated hat finish provides corrosion resistance, maintaining rotor integrity over time. The rotor’s overall height measures 1.921 inches (48.8 mm), and it features a center hole diameter of 2.520 inches (64 mm) for precise fitment. It mounts using a floating disc system with 5 lug holes sized at 0.500 inches (12.7 mm) on a 4.5-inch (114.3 mm) bolt circle diameter, matching factory specifications for Acura Accord and Honda TSX vehicles.

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 heat dissipation and pad bite. The combination of cross-drilled holes and slots helps maintain consistent braking under demanding conditions by reducing heat buildup and removing brake dust. This product line is suitable for drivers seeking reliable, performance-oriented rotors that meet OEM fitment standards for Acura and Honda models.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or heavy braking
• Improves pad bite and braking response with slotted and drilled design
• Helps prevent rotor warping caused by excessive heat
• Minimizes brake dust buildup for cleaner braking surfaces
• Restores braking performance on Acura Accord and Honda TSX vehicles

Installation Notes and Tips

• Ensure rotor discard thickness of 0.315 inches (8.000 mm) is not exceeded before replacement
• Verify compatibility with vehicle lug pattern: 5 lug holes on a 4.5-inch bolt circle diameter
• Use proper torque specifications when mounting to avoid rotor distortion
• Inspect brake pads and hardware during installation for optimal performance
• Break in new rotors according to manufacturer recommendations to ensure proper bedding

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 127.40055L rotor undergoes rigorous quality control to ensure durability and consistent braking 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.