Stoptech 227.44146L Disc Brake Rotor - Front Left

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotor 227.44146L is engineered for reliable braking performance on select Lexus, Toyota, Pontiac, and Scion models. Designed with vented construction and a slotted x drilled surface, this rotor supports improved heat dissipation and consistent stopping power.

• Cross-drilled and slotted rotor surface for enhanced cooling and debris removal
• Vented rotor design to reduce heat buildup during braking
• Overall diameter of 11.650 inches (295.9 mm) for precise fitment
• Nominal thickness of 1.102 inches (28.0 mm) with discard thickness at 0.984 inches (25.0 mm)
• Floating disc mounting with 5 lug holes (0.571 inch diameter) on a 4.5 inch bolt circle
• Compatible with ABS systems (ABS tone ring not included)
• Weight approximately 16.35 lbs (7.43 kgs) for balanced performance

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering rotors that combine performance-oriented features with everyday drivability. The cross-drilled and slotted surface pattern improves brake pad bite and helps evacuate gases and dust, while the vented rotor design aids in heat dissipation. This product line is suitable for drivers seeking enhanced braking response without compromising rotor longevity.

Detailed Product Description

This disc brake rotor, part number 227.44146L, is designed specifically for vehicles including the Lexus ES300h and ES350, Toyota Avalon, Camry, Corolla iM, Matrix, Mirai, RAV4, Pontiac Vibe, and Scion tC and iM models. The rotor features a 2.441 inch (62.0 mm) center hole diameter and a mounting bolt hole circle diameter of 114.3 mm (4.5 inches), ensuring precise alignment and fitment. The rotor's vented design with straight vanes promotes effective airflow to reduce brake fade during extended use. The floating disc mounting and two miscellaneous holes contribute to rotor stability and heat management. This rotor does not include bearings or an ABS tone ring, so those components must be sourced separately if required.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Improved heat dissipation to reduce brake fade on daily driven Lexus and Toyota vehicles
• Enhanced braking performance for vehicles experiencing reduced stopping power
• Addressing rotor surface corrosion or scoring from extended use
• Upgrading from solid rotors to vented, cross-drilled, and slotted rotors for better cooling

Installation Notes and Tips

• Ensure compatibility with your vehicle’s make and model before installation
• Check rotor thickness and discard thickness to confirm suitability for replacement
• Use proper torque specifications on the 5 lug nuts (0.571 inch diameter studs) during installation
• Inspect brake pads and calipers for wear when replacing rotors
• Bleed brake system if necessary after rotor installation to maintain optimal brake performance

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. 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.