{"product_id":"raybestos-66335r-disc-brake-rotor","title":"Raybestos 66335R Disc Brake Rotor - Rear","description":"\u003ch2\u003eOverview of Raybestos R-Line Disc Brake Rotor 66335R\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line Disc Brake Rotor 66335R is engineered for reliable braking performance on select Ford, Lincoln, and Mercury vehicles. Designed specifically for models like the Ford Cougar, Lincoln Mark VIII, and Mercury Thunderbird, this vented rotor meets precise specifications to maintain optimal stopping power and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor for improved heat dissipation\u003c\/li\u003e\n\u003cli\u003eOverall height: 1.790 inches (45.450 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 10.160 inches (258.050 mm)\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 0.715 inches (18.150 mm)\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 0.657 inches (16.700 mm)\u003c\/li\u003e\n\u003cli\u003eFive mounting bolt holes with a 4.250 inch (107.950 mm) bolt circle diameter\u003c\/li\u003e\n\u003cli\u003eCenter hole diameter: 2.540 inches (64.500 mm)\u003c\/li\u003e\n\u003cli\u003eConventional rotor type compatible with drum-in-hat setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Raybestos R-Line 66335R rotor is a vented disc brake rotor designed to provide consistent braking performance under various driving conditions. Its vented design enhances airflow to reduce heat buildup, which helps prevent brake fade during extended use. The rotor measures 10.160 inches in outside diameter and has a nominal thickness of 0.715 inches, ensuring compatibility with the braking systems of the Ford Cougar, Lincoln Mark VIII, and Mercury Thunderbird. The discard thickness of 0.657 inches indicates the minimum allowable thickness before replacement is necessary, helping maintain safe braking operation.\u003c\/p\u003e\u003cp\u003eThis rotor features five mounting bolt holes arranged on a 4.250 inch bolt circle diameter, with a center hole diameter of 2.540 inches, matching factory specifications for the listed vehicles. The overall height of 1.790 inches supports proper fitment and alignment within the brake assembly. As a conventional rotor type, it is suitable for vehicles equipped with drum-in-hat brake configurations.\u003c\/p\u003e\u003ch2\u003eAbout the Raybestos R-Line Product Line\u003c\/h2\u003e\u003cp\u003eThe R-Line by Raybestos is a product line focused on delivering reliable, OEM-quality brake components designed to meet or exceed factory specifications. The R-Line rotors, including part number 66335R, are engineered to provide consistent performance and durability for specific vehicle applications, such as the Ford Cougar, Lincoln Mark VIII, and Mercury Thunderbird. This line emphasizes precise fitment and dependable braking characteristics for professional and DIY installations.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors causing brake pulsation\u003c\/li\u003e\n\u003cli\u003eRestores braking efficiency on Ford Cougar, Lincoln Mark VIII, and Mercury Thunderbird\u003c\/li\u003e\n\u003cli\u003eAddresses rotor thickness below manufacturer discard limits\u003c\/li\u003e\n\u003cli\u003eImproves heat dissipation to reduce brake fade during heavy use\u003c\/li\u003e\n\u003cli\u003eCompatible with vehicles experiencing uneven brake pad wear due to rotor issues\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify rotor dimensions and bolt pattern match vehicle specifications before installation\u003c\/li\u003e\n\u003cli\u003eInspect brake pads and hardware for wear and replace as necessary\u003c\/li\u003e\n\u003cli\u003eClean rotor surface with brake cleaner to remove any protective coating before installation\u003c\/li\u003e\n\u003cli\u003eTorque mounting bolts to manufacturer-recommended specifications\u003c\/li\u003e\n\u003cli\u003ePerform a bed-in procedure after installation to ensure optimal braking performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eRaybestos R-Line rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 66335R should be confirmed with the supplier or manufacturer, Raybestos typically offers limited warranties covering defects in materials and workmanship. Proper installation and maintenance are essential to maximize the service life of the rotor.\u003c\/p\u003e","brand":"Raybestos","offers":[{"title":"Default Title","offer_id":44446195843253,"sku":"BDBL-66335R","price":44.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RS_66335R_Fro_5f4c6d43-7609-4201-9c1e-67e5f782648f.jpg?v=1774636565","url":"https:\/\/www.partcatalog.com\/products\/raybestos-66335r-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}