{"product_id":"centric-121-66030-disc-brake-rotor-front","title":"Centric 121.66030 Disc Brake Rotor - Front","description":"\u003ch2\u003eReliable Disc Brake Rotor for Chevrolet, Dodge, and GMC Vans\u003c\/h2\u003e\u003cp\u003eThe Centric C-TEK Standard Disc Brake Rotor 121.66030 is engineered to meet the braking demands of Chevrolet G30, Dodge P30, P3500, and Ram 2500 Van models. Designed with precision, this vented rotor ensures consistent performance and durability under heavy-duty conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVented disc brake rotor with smooth surface finish for effective heat dissipation\u003c\/li\u003e\n\u003cli\u003eIncludes ABS tone ring for compatibility with anti-lock braking systems\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 12.496 inches (317.4 mm) and nominal thickness of 1.535 inches (38.99 mm)\u003c\/li\u003e\n\u003cli\u003eMounting bolt hole circle diameter of 6.5 inches (165.1 mm) with 8 stud\/lug holes\u003c\/li\u003e\n\u003cli\u003eStud thread diameter of 0.563 inches and bolt thread pitch of 18 mm\u003c\/li\u003e\n\u003cli\u003eOverall height measures 5.193 inches (131.9 mm) for proper fitment\u003c\/li\u003e\n\u003cli\u003eWeight approximately 41 lbs (18.64 kgs) for balanced rotor mass\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the C-TEK Standard Disc Brake Rotors Line\u003c\/h2\u003e\u003cp\u003eThe C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on delivering reliable stopping power with consistent rotor thickness and smooth surface finishes to reduce brake noise and vibration. The inclusion of an ABS tone ring ensures seamless integration with factory ABS systems, making it suitable for vehicles like the Chevrolet G30 and Dodge P3500 vans.\u003c\/p\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThis Centric rotor features a vented design with straight vanes to optimize airflow and heat dissipation during braking. The nominal thickness of 1.535 inches (38.99 mm) and discard thickness of 1.465 inches (37.21 mm) provide a clear service limit for rotor replacement. The rotor mounts to the hub and rotor center with an 8-lug hole pattern and a mounting bolt hole circle diameter of 6.5 inches (165.1 mm). The center hole diameter measures 4.587 inches (116.5 mm), ensuring proper alignment and fitment. The smooth surface type helps maintain consistent pad contact and braking performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for worn or warped rotors on Chevrolet G30 and Dodge P30 vans\u003c\/li\u003e\n\u003cli\u003eRestores braking efficiency on Ram 2500 Van models experiencing brake fade\u003c\/li\u003e\n\u003cli\u003eAddresses ABS sensor issues by including an integrated ABS tone ring\u003c\/li\u003e\n\u003cli\u003eImproves heat management in heavy-duty braking scenarios with vented rotor design\u003c\/li\u003e\n\u003cli\u003eEliminates brake noise and vibration caused by uneven rotor surfaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the rotor thickness is above the discard thickness of 1.465 inches before installation. Clean the rotor surface to remove any protective coatings or debris. Verify the 8-lug hole pattern and mounting bolt hole circle diameter of 6.5 inches match the vehicle hub. The included ABS tone ring requires proper alignment with the vehicle’s ABS sensor for accurate operation. Bearings and seals are not included and should be inspected separately during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eCentric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure consistent thickness and surface finish. While specific warranty details are not provided, Centric products typically come with a limited warranty against defects in materials and workmanship when installed according to manufacturer guidelines.\u003c\/p\u003e","brand":"Centric","offers":[{"title":"Default Title","offer_id":51724736757941,"sku":"BKNJ-121.66030","price":134.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/CE_12166030_Fro.jpg?v=1774638778","url":"https:\/\/www.partcatalog.com\/products\/centric-121-66030-disc-brake-rotor-front","provider":"PartCatalog","version":"1.0","type":"link"}