Stoptech 126.44084SR Disc Brake Rotor - Rear Right

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.44084SR) are engineered for Lexus and Toyota vehicles, including the GS300, LS400, SC300, SC400, and Supra models. These rotors provide reliable braking performance with a vented, slotted design that enhances heat dissipation and reduces brake fade under demanding conditions.

• Vented disc brake rotor with slotted surface for improved cooling
• Coated hat finish to resist corrosion and extend rotor life
• Nominal thickness of 15.9 mm (0.626 in) with discard thickness at 15.0 mm (0.591 in)
• Overall diameter of 306.7 mm (12.075 in) suitable for specified Lexus and Toyota models
• 5-lug bolt pattern with 114.3 mm (4.5 in) bolt circle diameter
• Weight approximately 6.14 kg (13.5 lbs) for balanced performance

Detailed Product Description

The StopTech Sport Slotted Disc Brake Rotors feature a vented design with straight vanes that promote efficient airflow to reduce heat buildup during braking. The slotted surface helps to evacuate gases, dust, and water from the rotor face, maintaining consistent pad contact and improving braking response. The coated hat finish protects against rust and corrosion, which is especially beneficial for vehicles exposed to moisture or road salt. With a nominal thickness of 15.9 mm and a discard thickness of 15.0 mm, these rotors offer a durable service life while maintaining safety standards. The rotor’s overall height measures 67.4 mm (2.654 in), and the center hole diameter is 62.1 mm (2.445 in), ensuring proper fitment on compatible Lexus and Toyota models.

About StopTech Sport Slotted Disc Brake Rotors

The StopTech Sport Slotted Disc Brake Rotors line is designed to provide enhanced braking performance for sport and performance-oriented vehicles. This product line focuses on improving heat dissipation and brake pad bite through precision-engineered slots and venting. The rotors are manufactured to meet or exceed OEM specifications, making them a suitable upgrade for Lexus GS300, LS400, SC300, SC400, and Toyota Supra owners seeking consistent braking under spirited driving conditions.

Common Applications and Problem Solving

• Reduces brake fade during aggressive driving or towing
• Improves braking consistency in wet or dusty conditions
• Minimizes rotor warping caused by excessive heat buildup
• Prevents corrosion-related rotor damage with coated hat finish
• Restores proper braking performance on Lexus GS300, LS400, SC300, SC400, and Toyota Supra

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (15.0 mm) before installation
• Clean rotor surface and hub mounting area to prevent runout
• Torque lug nuts to manufacturer specifications for 5-lug, 114.3 mm bolt pattern
• Check compatibility with ABS sensors as these rotors do not include ABS tone rings
• Inspect brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. 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.