Stoptech 128.20024L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor (Part Number 128.20024L) is engineered for Jaguar vehicles including the F-Type, S-Type, Super V8, XF, XJ, XJR, XK, and XKR models. Designed to enhance braking performance, this rotor features a vented, cross-drilled surface and a coated hat finish for durability and heat dissipation.

• Cross-drilled surface for improved heat dissipation and reduced brake fade
• Vented rotor design to enhance cooling during heavy braking
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with Jaguar F-Type, S-Type, Super V8, XF, XJ, XJR, XK, and XKR
• Nominal thickness of 1.260 inches (32.000 mm) with discard thickness at 1.181 inches (30.000 mm)
• Outside diameter of 13.976 inches (355.000 mm) and overall height of 1.906 inches (48.400 mm)
• Five stud/lug holes with a 4.252 inch (108.000 mm) bolt circle diameter

About StopTech Sport Cross-Drilled Disc Brake Rotors

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide enhanced braking performance for performance and luxury vehicles. These rotors feature cross-drilled holes that help dissipate heat and gases generated during braking, reducing the risk of brake fade under demanding conditions. The vented design improves airflow to maintain optimal rotor temperature, while the coated hat finish protects against corrosion. This product line balances durability and performance, making it suitable for Jaguar models requiring reliable and consistent braking.

Technical Specifications and Features

This disc brake rotor is vented with straight vanes to optimize cooling efficiency. The floating disc mounting allows for slight movement between the rotor and hub, accommodating thermal expansion and reducing stress. The rotor has a nominal thickness of 1.260 inches (32.000 mm) and a discard thickness of 1.181 inches (30.000 mm), ensuring safe replacement intervals. The outside diameter measures 13.976 inches (355.000 mm), with an overall height of 1.906 inches (48.400 mm). It includes five stud/lug holes with a diameter of 0.551 inches (14.000 mm) on a 4.252 inch (108.000 mm) bolt circle diameter. The center hole diameter is 2.795 inches (71.000 mm). This rotor does not include ABS tone rings or bearings.

Applications and Problem Solving

• Improves braking performance on Jaguar F-Type, S-Type, Super V8, XF, XJ, XJR, XK, and XKR models
• Reduces brake fade during aggressive driving or heavy braking conditions
• Enhances heat dissipation to prevent rotor warping and prolong brake component life
• Minimizes corrosion with coated hat finish for longer service intervals
• Provides consistent braking feel and improved pedal response

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.181 inches) before installation
• Verify compatibility with your Jaguar model and confirm bolt pattern matches (5 lug holes, 108 mm bolt circle)
• Clean rotor surface before installation to remove any protective coatings or residues
• Use proper torque specifications for lug nuts to avoid rotor damage
• Check for proper alignment with calipers and hub to prevent uneven wear

Quality Assurance and Warranty

StopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM specifications for Jaguar vehicles. The rotors undergo rigorous quality control to ensure dimensional accuracy and material integrity. 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.