Stoptech 227.44083R Disc Brake Rotor - Front Right

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

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 227.44083R) are engineered for Lexus models including GS300, GS400, GS430, IS300, LS400, SC300, SC400, and SC430. These vented rotors feature a slotted and drilled surface design to enhance braking performance and heat dissipation.

• Cross-drilled and slotted rotor surface for improved cooling and debris removal
• Vented rotor design to reduce heat buildup during braking
• Nominal thickness of 1.260 inches (32.000 mm) with discard thickness at 1.181 inches (30.000 mm)
• Overall height of 2.000 inches (50.800 mm) and outside diameter of 11.650 inches (295.900 mm)
• Floating disc mounting with 5 lug holes and a 4.500 inch (114.300 mm) bolt circle diameter
• Compatible with Lexus GS, IS, LS, and SC series models

Detailed Product Description

The StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors (227.44083R) are designed to provide consistent braking performance for a range of Lexus vehicles. The rotors feature a vented construction with straight vanes that promote efficient airflow to dissipate heat generated during braking. The cross-drilled and slotted surface helps to evacuate gases, dust, and water, reducing brake fade and maintaining pad contact. With a nominal thickness of 1.260 inches (32.000 mm) and a discard thickness of 1.181 inches (30.000 mm), these rotors meet precise specifications to ensure safe and reliable operation. The overall height of 2.000 inches (50.800 mm) and outside diameter of 11.650 inches (295.900 mm) are engineered to fit the specified Lexus models accurately. The floating disc mounting design and 5-lug hole pattern with a 4.500 inch (114.300 mm) bolt circle diameter provide secure installation without bearings or ABS tone rings 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 tailored for drivers seeking enhanced braking performance through improved heat management and pad bite. This product line combines cross-drilled holes and precision slots to optimize rotor surface area for cooling and debris removal. The vented rotor design with straight vanes further supports thermal regulation, making these rotors suitable for spirited driving and daily use on compatible Lexus models.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup
• Improves braking response in wet or dusty conditions
• Minimizes brake pad glazing and uneven wear
• Enhances overall rotor cooling for extended component life
• Provides consistent braking performance for Lexus GS, IS, LS, and SC series vehicles

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.181 inches / 30.000 mm) before installation
• Verify compatibility with vehicle lug pattern: 5 lug holes, 0.571 inch (14.500 mm) diameter
• Use proper torque specifications for mounting bolts on the 4.500 inch (114.300 mm) bolt circle diameter
• Check for any ABS sensor or bearing requirements as this rotor does not include ABS tone rings or bearings
• Inspect brake pads and calipers for wear or damage during rotor replacement

Quality Assurance and Warranty

StopTech Select Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. 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.