{"product_id":"stoptech-128-44139r-disc-brake-rotor","title":"Stoptech 128.44139R Disc Brake Rotor - Front Right","description":"\u003ch2\u003eStopTech Sport Cross-Drilled Disc Brake Rotors Overview\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotors (Part Number 128.44139R) are engineered for Lexus GS300 and IS250 models, providing reliable braking performance with enhanced heat dissipation. These rotors feature a vented design and cross-drilled surface to improve cooling and reduce brake fade under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Lexus GS300 and IS250\u003c\/li\u003e\n\u003cli\u003ePart Number: 128.44139R\u003c\/li\u003e\n\u003cli\u003eCross-drilled surface for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eVented rotor design for enhanced cooling\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to resist corrosion\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting for better thermal expansion\u003c\/li\u003e\n\u003cli\u003eOverall diameter: 295.8 mm (11.646 inches)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 32.0 mm (1.260 inches)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 30.0 mm (1.181 inches)\u003c\/li\u003e\n\u003cli\u003e5 lug holes with 114.3 mm bolt circle diameter\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotors are designed specifically for Lexus GS300 and IS250 vehicles, ensuring precise fitment and optimal braking performance. These rotors feature a vented construction with straight vanes that promote efficient airflow, helping to maintain lower operating temperatures during heavy braking. The cross-drilled surface pattern aids in dissipating heat and gases generated during braking, reducing the risk of brake fade and improving pedal feel.\u003c\/p\u003e\u003cp\u003eThe rotor's hat is coated to provide corrosion resistance, extending the service life of the component. With a floating disc mounting design, the rotor can accommodate thermal expansion and contraction, minimizing the risk of warping. The rotor measures 295.8 mm in outside diameter and has a nominal thickness of 32.0 mm, with a discard thickness of 30.0 mm, ensuring it meets OEM specifications for safe operation.\u003c\/p\u003e\u003ch2\u003eAbout StopTech Sport Cross-Drilled Disc Brake Rotors\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled Disc Brake Rotors line is engineered for drivers seeking improved braking performance through enhanced heat management and durability. This product line incorporates cross-drilled surfaces and vented rotor designs to optimize cooling and reduce brake fade. The rotors are coated for corrosion resistance and designed with floating mounting to accommodate thermal stresses, making them suitable for performance-oriented applications on compatible vehicles like the Lexus GS300 and IS250.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReduces brake fade during aggressive driving or towing\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to prevent rotor warping\u003c\/li\u003e\n\u003cli\u003eEnhances braking response and pedal feel\u003c\/li\u003e\n\u003cli\u003eResists corrosion for longer rotor life\u003c\/li\u003e\n\u003cli\u003eMaintains OEM fitment and safety standards for Lexus GS300 and IS250\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure rotor thickness is above discard thickness (30.0 mm) before installation\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with Lexus GS300 and IS250 models\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications for 5-lug mounting with 114.3 mm bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and calipers during rotor replacement\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer guidelines for bedding-in new rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech Sport Cross-Drilled Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The rotors undergo rigorous quality control to ensure durability and consistent performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Refer to StopTech or authorized distributors for exact warranty terms.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44573368615093,"sku":"FLMN-128.44139R","price":170.57,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12844139R_Generic.jpg?v=1774639452","url":"https:\/\/www.partcatalog.com\/products\/stoptech-128-44139r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}