Stoptech 127.66003L Disc Brake Rotor - Front Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.66003L is engineered for reliable braking performance on heavy-duty trucks like the Chevrolet K30, Dodge W350, and GMC V3500. Designed to meet the demands of these vehicles, this vented rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved brake pad bite and heat dissipation
• Vented rotor design with straight vanes to reduce brake fade
• Coated hat finish to resist corrosion and extend rotor life
• Compatible with Chevrolet K30, K3500, Dodge W250, W350, GMC V30, V3500 models
• Mounting bolt hole quantity: 8, with precise bolt hole circle diameter for secure fitment
• Nominal thickness of 1.535 inches (38.990 mm) and discard thickness of 1.465 inches (37.210 mm)
• Overall diameter of 12.870 inches (326.900 mm) and overall height of 3.079 inches (78.200 mm)

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to enhance braking performance through improved cooling and pad cleaning. The cross-drilled holes and slots help evacuate gases and debris, reducing brake fade and maintaining consistent friction. This rotor line is vented with straight vanes to optimize airflow and heat dissipation, making it suitable for heavy-duty trucks such as the Chevrolet K30 and Dodge W350. The coated hat finish provides corrosion resistance, ensuring durability in demanding conditions.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes that promote efficient heat transfer during braking. The rotor's surface is cross-drilled and slotted to improve pad bite and reduce glazing. With an outside diameter of 12.870 inches (326.900 mm) and a nominal thickness of 1.535 inches (38.990 mm), it meets the precise requirements for Chevrolet, Dodge, and GMC heavy-duty truck models. The rotor includes eight mounting bolt holes with a bolt hole circle diameter of 6.500 inches (165.100 mm), ensuring a secure and exact fit. The hat is coated to resist corrosion, extending the rotor's service life.

Applications and Problem Solving

• Compatible with Chevrolet K30, K3500, Dodge W250, W350, GMC V30, V3500 heavy-duty trucks
• Reduces brake fade during heavy towing or hauling
• Improves braking response and pad life by preventing glazing
• Enhances heat dissipation for consistent braking performance
• Resists corrosion for longer service intervals in harsh environments

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.465 inches) before installation
• Clean mounting surface and hub to prevent rotor runout
• Torque mounting bolts to manufacturer specifications for secure fitment
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads for wear and replace if necessary when installing new rotors

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for durability and performance. The 127.66003L rotor undergoes strict quality control to ensure consistent dimensions 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. Consult product documentation or manufacturer resources for exact warranty terms.