Stoptech 127.20015L 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 127.20015L) is engineered for Jaguar Vanden Plas, XJR, XK8, and XKR models. Designed to enhance braking performance, this vented rotor features a coated hat finish and a floating disc mounting system for improved heat dissipation and durability.

• Cross-drilled and slotted surface for efficient heat and gas dissipation
• Vented rotor design to reduce brake fade under heavy use
• Coated hat finish to resist corrosion and extend rotor life
• Floating disc mounting for better thermal expansion management
• Compatible with Jaguar Vanden Plas, XJR, XK8, and XKR models
• Overall diameter of 325 mm (12.795 inches) and nominal thickness of 28.3 mm (1.114 inches)
• Five lug holes with a 120.7 mm bolt circle diameter

Detailed Product Description

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are designed to meet the demands of performance-oriented Jaguar vehicles including the Vanden Plas, XJR, XK8, and XKR. The rotor features a vented design with straight vanes that promote airflow to reduce heat buildup during braking. The cross-drilled and slotted surface improves pad bite and helps evacuate gases and debris, maintaining consistent braking performance. The coated hat finish protects against rust and corrosion, ensuring longevity even in harsh conditions. With a floating disc mounting system, the rotor accommodates thermal expansion, reducing the risk of warping and improving overall brake system reliability. The rotor measures 325 mm in outside diameter and 28.3 mm in nominal thickness, with a discard thickness of 26 mm, ensuring it meets OEM specifications for replacement.

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

This rotor is part of the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line, which focuses on delivering enhanced braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots is designed to improve cooling and maintain pad contact, making it suitable for both spirited street driving and occasional track use. The vented and floating rotor design further supports heat management and structural integrity, aligning with the needs of Jaguar performance models.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves braking response and pedal feel on Jaguar Vanden Plas, XJR, XK8, and XKR
• Minimizes rotor warping caused by thermal stress
• Helps prevent corrosion-related rotor damage
• Maintains consistent braking performance under heavy use

Installation Notes and Tips

• Ensure rotor discard thickness of 26.0 mm is not exceeded before replacement
• Verify compatibility with vehicle lug pattern: 5 lug holes on a 120.7 mm bolt circle diameter
• Use proper torque specifications for mounting bolts to avoid rotor distortion
• Inspect brake pads and calipers during installation for optimal performance
• Clean rotor surface before installation to remove any protective coatings or debris

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish and vented design contribute to long service life and reliable performance. 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.