Stoptech 127.39035R Disc Brake Rotor - Front Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.39035R) are engineered for Volvo S60 and V70 models, providing reliable braking performance with enhanced heat dissipation. Designed to meet the demands of both daily driving and spirited use, these rotors offer improved stopping power and durability.

• Cross-drilled and slotted surface for efficient heat and gas dissipation
• Vented rotor design with pillar-style vanes for optimal cooling
• 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 108 mm bolt circle diameter

Detailed Product Features and Specifications

This disc brake rotor features a nominal thickness of 1.260 inches (32.000 mm) and a discard thickness of 1.181 inches (30.000 mm), ensuring a clear service limit for safe operation. The rotor's outside diameter measures 12.992 inches (330.000 mm), matching the exact fitment requirements for Volvo S60 and V70 vehicles. The vented design incorporates pillar-style vanes that enhance airflow, reducing brake fade during extended use. The rotor's hat is coated to protect against rust and corrosion, maintaining structural integrity over time. The center hole diameter is 2.677 inches (68.000 mm), and the rotor includes five mounting bolt holes with a diameter of 0.654 inches (16.600 mm), ensuring compatibility with the specified Volvo models. Weighing approximately 21.5 lbs (9.77 kgs), this rotor balances strength and weight for consistent braking 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 through advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps to evacuate heat, brake dust, and gases generated during braking. This design reduces the risk of brake fade and maintains consistent pedal feel. The vented rotor construction further improves cooling, making this product line suitable for drivers seeking improved brake response and durability on Volvo S60 and V70 models.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or extended braking
• Improves heat dissipation to prevent rotor warping
• Minimizes brake dust buildup for cleaner braking surfaces
• Enhances wet weather braking performance by channeling water away
• Restores braking efficiency on worn or glazed rotors

Installation Notes and Tips

Ensure the rotor is installed on compatible Volvo S60 or V70 models matching the specified bolt pattern and dimensions. Verify the discard thickness before installation to confirm rotor serviceability. Use proper torque specifications for mounting bolts and inspect brake pads for wear or contamination. It is recommended to replace rotors in pairs to maintain balanced braking performance. The floating disc mounting design requires careful alignment during installation to avoid uneven wear.

Quality Assurance and Warranty

StopTech rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.