Stoptech 227.45068L Disc Brake Rotor - Front Left

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.45068L) are engineered for Mazda 3 and Mazda 3 Sport models. These vented rotors feature a slotted and drilled surface design to enhance braking performance and heat dissipation under demanding conditions.

• Cross-drilled and slotted rotor surface for improved heat dissipation and debris removal
• Vented rotor design with straight vane style for efficient cooling
• Nominal thickness of 0.980 inches (24.9 mm) with discard thickness at 0.906 inches (23.0 mm)
• Overall height of 1.917 inches (48.7 mm) and outside diameter of 10.945 inches (278 mm)
• Floating disc mounting with 5 lug holes sized at 0.551 inches (14 mm) diameter
• Center hole diameter of 2.835 inches (72 mm) and mounting bolt hole circle diameter of 4.5 inches (114.3 mm)
• Weight approximately 17.5 lbs (7.95 kgs) per rotor
• ABS tone ring and bearings not included

About the StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management and rotor durability. The combination of cross-drilled holes and precision-machined slots helps reduce brake fade by allowing gases and debris to escape, while the vented rotor construction with straight vanes promotes consistent cooling. This product line is suitable for drivers seeking reliable stopping power and rotor longevity on vehicles like the Mazda 3 and Mazda 3 Sport.

Product Details and Specifications

This disc brake rotor is specifically designed for Mazda 3 and Mazda 3 Sport models, ensuring proper fitment and performance. The rotor features a vented design with straight vanes that facilitate airflow to maintain optimal operating temperatures. The cross-drilled and slotted surface improves pad bite and helps clear water and brake dust from the rotor surface. With a nominal thickness of 0.980 inches and a discard thickness of 0.906 inches, these rotors meet OEM specifications for safe replacement intervals. The floating disc mounting style allows for slight rotor movement to reduce stress and improve braking consistency.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or heavy braking
• Improves heat dissipation to prevent rotor warping
• Helps maintain consistent braking performance in wet conditions
• Minimizes brake dust buildup on rotor surface
• Restores proper rotor thickness and surface condition for safe braking

Installation Notes and Tips

• Ensure compatibility with Mazda 3 or Mazda 3 Sport before installation
• Check rotor thickness and discard limits to confirm replacement necessity
• Use proper torque specifications for mounting bolts on the 5-lug pattern
• Inspect brake pads and calipers during rotor replacement for optimal system performance
• ABS tone ring and bearings are not included and should be reused or replaced as needed

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for durability and performance. Each rotor undergoes strict quality control to ensure dimensional accuracy and surface finish. 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.