Stoptech 127.20018L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.20018L) are engineered for Jaguar vehicles including the S-Type, Super V8, Vanden Plas, and XJR models. These rotors provide enhanced braking performance through a vented, slotted, and cross-drilled design that improves heat dissipation and reduces brake fade.

• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design with pillar-style vanes for efficient heat dissipation
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Precision fit with 5 lug holes and 14mm stud diameter for Jaguar S-Type and related models

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.260 inches (32.0 mm) and a discard thickness of 1.181 inches (30.0 mm), ensuring reliable service life and clear replacement guidelines. The rotor’s outside diameter measures 14.370 inches (365.0 mm), with an overall height of 2.815 inches (71.5 mm). The center hole diameter is 2.791 inches (70.9 mm), and the mounting bolt hole circle diameter is 4.252 inches (108.0 mm), designed specifically for the Jaguar fitment. The rotor weighs approximately 25.5 lbs (11.59 kgs), balancing durability and performance.

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking efficiency and thermal management for performance-oriented vehicles. The combination of cross-drilled holes and precision slots helps to evacuate gases, dust, and water from the braking surface, reducing the risk of brake fade during aggressive driving. The vented rotor design with pillar-style vanes further improves airflow and cooling, making this product line suitable for both street and light track use. This rotor line is engineered to meet the demands of Jaguar S-Type, Super V8, Vanden Plas, and XJR models, providing a direct replacement with improved braking characteristics.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup during spirited driving
• Improves wet weather braking by channeling water away from the rotor surface
• Minimizes brake dust accumulation for cleaner braking components
• Addresses rotor warping issues through enhanced thermal management
• Provides consistent pedal feel and stopping power for Jaguar S-Type and related models

Installation Notes and Tips

Installation of the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (127.20018L) requires proper torque specifications for the 5 lug holes with 14mm stud diameter. Ensure the rotor surface is clean and free of any protective coatings before installation. These rotors do not include bearings or ABS tone rings, so verify compatibility with your vehicle’s existing components. It is recommended to replace brake pads simultaneously to optimize braking performance and rotor longevity.

Quality Assurance and Warranty

StopTech 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. Always consult the product documentation or manufacturer for exact warranty terms.