Stoptech 127.58001L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.58001L) is engineered for Jeep Commander and Grand Cherokee models. Designed to enhance braking performance, this vented rotor features a slotted and drilled surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Cross-drilled and slotted surface for improved heat dissipation and debris removal
• Vented rotor design to reduce brake fade during extended use
• Coated hat finish for corrosion resistance and durability
• Floating disc mounting for better rotor alignment and performance
• Compatible with Jeep Commander and Grand Cherokee models
• Nominal thickness of 1.181 inches (30.000 mm) with discard thickness at 1.122 inches (28.500 mm)
• Overall diameter of 12.874 inches (327.000 mm) and height of 2.087 inches (53.000 mm)
• Five lug holes with a bolt circle diameter of 126.800 mm (4.992 inches)

About the 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 advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps to evacuate gases, dust, and water from the braking surface, improving pad bite and reducing the risk of brake fade. This product line is ideal for drivers seeking reliable stopping power and improved rotor cooling, especially in demanding driving conditions.

Product Details and Specifications

This disc brake rotor features a vented design with straight vanes to optimize airflow and heat dissipation. The rotor’s coated hat finish offers protection against corrosion, extending the rotor’s service life. With a floating disc mounting system, the rotor allows for slight movement to maintain proper alignment and reduce stress on the braking components. The rotor measures 12.874 inches (327 mm) in outside diameter and has a nominal thickness of 1.181 inches (30 mm), with a discard thickness of 1.122 inches (28.5 mm). It includes five lug holes with a diameter of 0.639 inches (16.24 mm) and a mounting bolt hole circle diameter of 126.8 mm (4.992 inches). This rotor does not include ABS tone rings or bearings.

Common Applications and Problem Solving

• Improves braking performance for Jeep Commander and Grand Cherokee vehicles
• Reduces brake fade during heavy or repeated braking
• Helps prevent rotor warping caused by excessive heat buildup
• Enhances pad bite and braking consistency in wet or dusty conditions
• Provides corrosion resistance to extend rotor lifespan

Installation Notes and Tips

• Ensure compatibility with Jeep Commander and Grand Cherokee models before installation
• Check rotor thickness and discard limits to confirm suitability for replacement
• Use proper torque specifications for lug nuts to avoid rotor damage
• Inspect brake pads and hardware during rotor replacement for optimal performance
• Floating disc mounting requires correct alignment to function properly

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The coated hat finish provides added corrosion resistance, contributing to the rotor’s durability. 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.