{"product_id":"stoptech-127-66042r-disc-brake-rotor","title":"Stoptech 127.66042R Disc Brake Rotor - Front Right","description":"\u003ch2\u003eStopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors Overview\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotor (Part Number 127.66042R) is engineered for reliable braking performance on heavy-duty vehicles. Designed specifically for select Cadillac, Chevrolet, GMC, and Hummer models, this rotor offers enhanced heat dissipation and consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCross-drilled and slotted surface for improved heat and gas dissipation\u003c\/li\u003e\n\u003cli\u003eVented rotor design with straight vane style for optimal cooling\u003c\/li\u003e\n\u003cli\u003eCoated hat finish to resist corrosion and extend rotor life\u003c\/li\u003e\n\u003cli\u003eFloating disc mounting for better rotor alignment and reduced stress\u003c\/li\u003e\n\u003cli\u003eCompatible with 8-lug wheel configurations and includes two miscellaneous holes for mounting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Line Details: StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors\u003c\/h2\u003e\u003cp\u003eThe StopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors line focuses on performance-oriented rotors that combine cross-drilled holes and precision slots. This design improves brake pad bite and helps evacuate heat and debris during braking. The vented rotor construction with straight vanes enhances airflow, reducing the risk of brake fade under demanding conditions. The coated hat finish provides corrosion resistance, making these rotors suitable for vehicles exposed to harsh environments.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications and Compatibility\u003c\/h2\u003e\u003cp\u003eThis disc brake rotor features a nominal thickness of 1.496 inches (38.000 mm) and a discard thickness of 1.437 inches (36.500 mm), ensuring a durable braking surface throughout its service life. The rotor’s outside diameter measures 12.787 inches (324.800 mm), with an overall height of 3.512 inches (89.200 mm). It is designed with a center hole diameter of 4.650 inches (118.100 mm) and a mounting bolt hole circle diameter of 6.500 inches (165.100 mm), accommodating 8 lug holes each 0.650 inches (16.500 mm) in diameter. Weighing approximately 25.72 lbs (11.69 kgs), this vented rotor uses a floating disc mounting system and includes two miscellaneous holes for additional mounting options.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cp\u003eThis rotor is compatible with a range of heavy-duty vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCadillac DeVille\u003c\/li\u003e\n\u003cli\u003eChevrolet Avalanche 2500, Silverado 1500, Silverado 1500 HD, Silverado 2500, Suburban 2500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Yukon XL 2500\u003c\/li\u003e\n\u003cli\u003eHummer H2\u003c\/li\u003e\n\u003cli\u003eChevrolet Express 2500, Express 3500\u003c\/li\u003e\n\u003cli\u003eGMC Savana 2500, Savana 3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Rotor\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade caused by excessive heat buildup during heavy braking\u003c\/li\u003e\n\u003cli\u003eUneven rotor wear and reduced braking efficiency\u003c\/li\u003e\n\u003cli\u003eCorrosion and rust on rotor surfaces affecting performance\u003c\/li\u003e\n\u003cli\u003eBrake pad glazing due to poor heat dissipation\u003c\/li\u003e\n\u003cli\u003eVibration or noise from warped or damaged rotors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the rotor thickness is above the discard thickness of 1.437 inches before installation\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with vehicle lug pattern and bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eClean rotor surface before installation to remove any protective coatings or debris\u003c\/li\u003e\n\u003cli\u003eUse proper torque specifications on lug nuts to avoid rotor warping\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and calipers during rotor replacement for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStopTech Sport Cross-Drilled \u0026amp; Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for durability and performance. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed quality assurance to ensure reliability and safety.\u003c\/p\u003e","brand":"Stoptech","offers":[{"title":"Default Title","offer_id":44573311828149,"sku":"FLMN-127.66042R","price":192.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12766042R_Fro_4c86982d-e520-4982-91f8-e13c2efde6b9.jpg?v=1774639375","url":"https:\/\/www.partcatalog.com\/products\/stoptech-127-66042r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}