Stoptech 128.40055L Disc Brake Rotor - Rear Left

Overview of StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.40055L) are engineered for Acura and Honda vehicles, specifically designed for models like the Accord and TSX. These rotors provide reliable braking performance with a solid, cross-drilled design that supports consistent heat dissipation.

• Cross-drilled solid disc brake rotor for improved heat management
• Coated hat finish to resist corrosion and extend rotor life
• Nominal thickness of 0.354 inches (9.000 mm) with discard thickness at 0.315 inches (8.000 mm)
• Overall diameter of 10.236 inches (260.000 mm) suitable for specified Acura and Honda models
• Floating disc mounting with 5 lug holes and 4 additional miscellaneous holes for secure fitment
• Weight approximately 7 lbs (3.18 kgs) for balanced performance

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line focuses on delivering enhanced braking through cross-drilled surfaces that aid in heat dissipation and gas venting. This product line is designed to maintain consistent braking performance under demanding conditions, making it suitable for daily driving and spirited use on Acura Accord and Honda TSX models. The solid rotor design paired with a coated hat finish helps reduce corrosion while maintaining structural integrity.

Technical Specifications and Features

This disc brake rotor features a solid construction with a cross-drilled surface type to improve cooling efficiency. 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 safe replacement intervals. The overall height measures 1.921 inches (48.800 mm), and the outside diameter is 10.236 inches (260.000 mm). It includes a floating disc mounting system with a 114.3 mm (4.5 inch) bolt circle diameter and 5 lug holes sized at 0.5 inches (12.7 mm). The rotor does not include ABS tone rings or bearings, which should be considered during installation.

Applications and Problem Solving

• Compatible with Acura Accord and Honda TSX models requiring 10.236 inch rotors
• Addresses brake fade caused by excessive heat through cross-drilled design
• Helps reduce rotor warping by improving heat dissipation
• Prevents corrosion with coated hat finish for longer rotor life
• Supports consistent braking performance under normal and spirited driving conditions

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your specific Acura or Honda model
• Ensure the rotor thickness is above discard thickness before installation
• Use proper torque specifications for the 5 lug bolts to avoid mounting issues
• Check for the absence of ABS tone rings and plan accordingly if your vehicle requires them
• Inspect brake pads and calipers during rotor replacement for optimal braking system performance

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM specifications for Acura and Honda vehicles. 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. It is recommended to consult the product documentation or manufacturer for exact warranty terms.