Stoptech 127.66026R 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 127.66026R) are engineered for Chevrolet K3500, Dodge Ram 2500, and Ram 3500 models. Designed to enhance braking performance, these rotors feature a vented, slotted, and cross-drilled surface to improve heat dissipation and reduce brake fade under demanding conditions.

• Cross-drilled and slotted surface for improved cooling and debris removal
• Vented rotor design to enhance heat dissipation
• Coated hat finish for corrosion resistance
• Compatible with Chevrolet K3500, Dodge Ram 2500, and Ram 3500
• Eight mounting bolt holes with precise fitment specifications
• Nominal thickness of 1.539 inches (39.1 mm) with discard thickness at 1.465 inches (37.21 mm)
• Overall diameter of 12.492 inches (317.3 mm) and height of 2.756 inches (70 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 provide enhanced braking performance through advanced rotor surface technology. The combination of cross-drilled holes and precision slots helps maintain consistent brake pad contact, reduces gas buildup, and improves water dispersion. This product line is ideal for drivers seeking reliable stopping power and rotor durability on heavy-duty trucks like the Chevrolet K3500 and Dodge Ram 2500/3500.

Technical Specifications and Features

These rotors feature a vented design with straight vanes that promote airflow to reduce heat buildup during braking. The coated hat finish protects against corrosion, extending rotor life. The rotor’s mounting bolt hole pattern includes eight holes with a 6.5-inch bolt circle diameter and 0.646-inch hole diameter, ensuring precise fitment behind the hub. The center hole diameter measures 5.409 inches (137.4 mm), matching OEM specifications for the listed vehicle models. Weighing approximately 24.5 lbs (11.14 kgs), these rotors balance durability and performance.

Applications and Problem Solving

• Reduces brake fade during heavy towing or hauling with improved heat dissipation
• Minimizes brake dust and debris buildup for cleaner braking surfaces
• Improves wet weather braking performance by dispersing water quickly
• Prevents rotor warping through vented design and consistent cooling
• Restores OEM braking performance on Chevrolet K3500, Dodge Ram 2500, and Ram 3500

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.465 inches) before installation
• Clean mounting surfaces and hub to prevent runout and vibration
• Use proper torque specifications for the eight mounting bolts
• Check compatibility with existing brake pads and calipers on Chevrolet K3500 and Dodge Ram models
• Inspect ABS tone ring compatibility as this rotor does not include one

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated finish and vented design contribute to long service life under demanding conditions. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed quality assurance to ensure reliability and performance on Chevrolet K3500, Dodge Ram 2500, and Ram 3500 vehicles.