Stoptech 127.44055L Disc Brake Rotor - Rear Left

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.44055L) are engineered for Toyota MR2 models requiring reliable and consistent braking performance. These rotors feature a solid design with cross-drilled and slotted surfaces to enhance heat dissipation and maintain braking efficiency under demanding conditions.

• Compatible with Toyota MR2 vehicles
• Part Number: 127.44055L
• Solid disc brake rotor with cross-drilled and slotted surface
• Coated hat finish for corrosion resistance
• Nominal thickness of 0.394 inches (10.000 mm)
• Outside diameter of 10.354 inches (263.000 mm)
• Floating disc mounting design
• Four stud/lug holes with 0.571 inch (14.500 mm) diameter
• Overall height of 1.575 inches (40.000 mm)
• Weight approximately 8.1 lbs (3.68 kgs)

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 performance through improved heat management and debris removal. The combination of cross-drilled holes and precision slots helps reduce brake fade and maintain consistent pad contact. This product line is suitable for drivers seeking a balance between street use and spirited driving, offering a solid rotor construction with a coated hat finish to resist corrosion and extend service life.

Technical Specifications and Features

This disc brake rotor is a solid type with a floating disc mounting system, which allows for slight movement to reduce stress and improve rotor longevity. The rotor’s nominal thickness is 0.394 inches (10.000 mm), with a discard thickness of 0.354 inches (9.000 mm), ensuring clear service limits for safe operation. The rotor measures 10.354 inches (263.000 mm) in outside diameter and has an overall height of 1.575 inches (40.000 mm). It includes four stud/lug holes with a diameter of 0.571 inches (14.500 mm) arranged on a 3.937 inch (100.000 mm) bolt circle diameter. The hat area is coated to protect against corrosion, and the rotor weighs approximately 8.1 lbs (3.68 kgs). This rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Improves heat dissipation to reduce brake fade during aggressive driving
• Slotted and drilled surface helps remove brake dust and gases for consistent braking
• Coated hat finish protects against rust and corrosion
• Solid rotor design provides durability for daily driving and occasional track use
• Compatible with Toyota MR2 models requiring precise fitment and performance

Installation Notes and Tips

• Ensure compatibility with Toyota MR2 before installation using part number 127.44055L
• Inspect rotor thickness and discard limits during installation to maintain safety standards
• Use proper torque specifications on the four lug holes to avoid warping
• Check for any signs of uneven wear or damage on brake pads before installing new rotors
• Professional installation is recommended to ensure optimal braking performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet strict quality standards for fitment and performance. The coated hat finish enhances corrosion resistance, contributing to the rotor’s durability. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always verify warranty terms with the product documentation or authorized sources.