{"product_id":"raybestos-780421per-disc-brake-rotor","title":"Raybestos 780421PER Disc Brake Rotor - Front","description":"\u003ch2\u003eOverview of Raybestos Disc Brake Rotor 780421PER for Jeep Grand Cherokee\u003c\/h2\u003e\u003cp\u003eThe Raybestos Specialty - Street Performance; S-Groove Technology disc brake rotor 780421PER is engineered for Jeep Grand Cherokee models requiring reliable braking performance. Designed with precise thickness specifications and mounting dimensions, this rotor supports consistent stopping power and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Jeep Grand Cherokee vehicles\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 1.260 inches (32.000 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 1.120 inches (28.450 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter: 127.000 mm (5.000 inches)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type for standard brake systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis Raybestos disc brake rotor, part number 780421PER, features a nominal thickness of 1.260 inches (32.000 mm), ensuring optimal rotor mass for heat dissipation and structural integrity. The discard thickness is set at 1.120 inches (28.450 mm), indicating the minimum safe thickness before replacement is necessary. The mounting bolt hole circle diameter measures 127.000 mm (5.000 inches), matching the bolt pattern of Jeep Grand Cherokee models for secure installation. This rotor is a conventional type, designed to fit standard brake systems without drum-in-hat configurations.\u003c\/p\u003e\u003ch2\u003eSpecialty - Street Performance; S-Groove Technology Product Line\u003c\/h2\u003e\u003cp\u003eThe Raybestos Specialty - Street Performance; S-Groove Technology line focuses on delivering rotors optimized for street driving conditions. The S-Groove design helps reduce brake fade and maintain consistent friction by managing heat and debris on the rotor surface. This technology supports enhanced braking performance for Jeep Grand Cherokee owners seeking dependable stopping power during everyday driving and light performance use.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Jeep Grand Cherokee models\u003c\/li\u003e\n\u003cli\u003eAddresses brake pulsation caused by uneven rotor thickness\u003c\/li\u003e\n\u003cli\u003eHelps restore proper braking performance and pedal feel\u003c\/li\u003e\n\u003cli\u003ePrevents rotor damage from exceeding discard thickness limits\u003c\/li\u003e\n\u003cli\u003eCompatible with conventional brake systems requiring standard mounting dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor thickness before installation to ensure it meets nominal specifications\u003c\/li\u003e\n\u003cli\u003eCheck mounting bolt hole circle diameter compatibility with vehicle hub\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware for wear during rotor replacement\u003c\/li\u003e\n\u003cli\u003eFollow manufacturer torque specifications for mounting bolts\u003c\/li\u003e\n\u003cli\u003ePerform a brake system test after installation to confirm proper operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos disc brake rotors, including part number 780421PER, are manufactured to meet industry standards for durability and performance. The Specialty - Street Performance; S-Groove Technology rotors undergo rigorous quality control to ensure consistent thickness and dimensional accuracy. Warranty coverage details should be confirmed through Raybestos or authorized distributors.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44447597265077,"sku":"BDBL-780421PER","price":192.71,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_780421PER_Fro.jpg?v=1774636768","url":"https:\/\/www.partcatalog.com\/products\/raybestos-780421per-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}