{"product_id":"raybestos-680990per-disc-brake-rotor-rear","title":"Raybestos 680990PER Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Raybestos Disc Brake Rotor 680990PER\u003c\/h2\u003e\u003cp\u003eThe Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 680990PER is engineered for Ford Mustang models requiring reliable braking performance. This vented rotor is designed to maintain optimal thickness and heat dissipation for consistent stopping power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford Mustang vehicles\u003c\/li\u003e\n\u003cli\u003eVented disc brake rotor for improved cooling\u003c\/li\u003e\n\u003cli\u003eNominal thickness of 0.748 inches (19.000 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness of 0.689 inches (17.500 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 13.780 inches (350.000 mm)\u003c\/li\u003e\n\u003cli\u003eInside diameter of 10.366 inches (263.300 mm)\u003c\/li\u003e\n\u003cli\u003eOverall height of 1.366 inches (34.700 mm)\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with a 4.500 inch (114.300 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter of 2.785 inches (70.750 mm)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type with 5 stud\/lug holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecialty - Street Performance; S-Groove Technology Line\u003c\/h2\u003e\u003cp\u003eThis rotor is part of the Raybestos Specialty - Street Performance; S-Groove Technology line, which focuses on delivering street-ready braking components optimized for performance driving. The S-Groove design helps reduce brake fade and improve pad contact, making it suitable for Ford Mustang owners seeking dependable braking under varied driving conditions.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe 680990PER rotor features a vented design that enhances heat dissipation during braking, reducing the risk of warping and maintaining consistent performance. With a nominal thickness of 0.748 inches and a discard thickness of 0.689 inches, this rotor ensures a clear service life window for maintenance. The 13.780-inch outside diameter and 10.366-inch inside diameter provide a precise fit for compatible Mustang models. The rotor’s overall height of 1.366 inches and five mounting bolt holes with a 4.500-inch bolt circle diameter align with factory specifications for secure installation.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Ford Mustang vehicles\u003c\/li\u003e\n\u003cli\u003eImproves braking consistency and reduces brake fade\u003c\/li\u003e\n\u003cli\u003eAddresses rotor thickness below manufacturer discard limits\u003c\/li\u003e\n\u003cli\u003eEnhances heat dissipation during aggressive street driving\u003c\/li\u003e\n\u003cli\u003eRestores proper rotor dimensions for safe braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor surface is clean and free of debris before installation. Verify that the mounting bolt holes and center hole align precisely with the vehicle hub. Measure rotor thickness to confirm it meets or exceeds the nominal thickness of 0.748 inches. Use proper torque specifications for the five mounting bolts to avoid rotor distortion. It is recommended to inspect brake pads and hardware during rotor replacement for optimal system performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The 680990PER rotor undergoes rigorous quality control to ensure durability and consistent braking performance. Warranty coverage details should be confirmed with the product documentation or authorized Raybestos distributors.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":51727023210677,"sku":"BDBL-680990PER","price":110.06,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_680990PER_Fro.jpg?v=1774640331","url":"https:\/\/www.partcatalog.com\/products\/raybestos-680990per-disc-brake-rotor-rear","provider":"PartCatalog","version":"1.0","type":"link"}