{"product_id":"dynamic-friction-604-02000-disc-brake-rotor","title":"Dynamic Friction 604-02000 Disc Brake Rotor - Front","description":"\u003ch2\u003eDFC GEOSPEC Coated Rotor for Porsche 911\u003c\/h2\u003e\u003cp\u003eThe Dynamic Friction DFC GEOSPEC Coated Rotor, part number 604-02000, is a solid front disc brake rotor built for select classic Porsche 911 applications. It is sized for the original braking setup with an outside diameter of 282 mm, a height of 36.7 mm, and a 5-bolt pattern with 8.5 mm bolt holes.\u003c\/p\u003e\u003cp\u003eFor Porsche 911 front brake service, this rotor line focuses on fitment accuracy and corrosion-resistant coating for the rotor surface. The DFC GEOSPEC Coated Rotor designation identifies the product line used for direct replacement applications where consistent dimensions matter.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number 604-02000\u003c\/li\u003e\n\u003cli\u003eSolid disc brake rotor construction\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 282 mm\u003c\/li\u003e\n\u003cli\u003eHeight: 36.7 mm\u003c\/li\u003e\n\u003cli\u003eInside diameter: 107 mm\u003c\/li\u003e\n\u003cli\u003e5 bolt holes with 8.5 mm bolt hole diameter\u003c\/li\u003e\n\u003cli\u003eNominal thickness: 12.1 mm\u003c\/li\u003e\n\u003cli\u003eDiscard thickness: 11.4 mm\u003c\/li\u003e\n\u003cli\u003eDFC GEOSPEC coated rotor finish\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dynamic Friction rotor is engineered for front brake applications on classic Porsche 911 models. It matches the listed solid rotor configuration and dimensions used on 1965-1973 Porsche 911 front brake systems, including 1969-1973 models with solid rotors and front cast iron \"M\" calipers. The 604-02000 rotor is specified with a 282 mm outside diameter, 107 mm inside diameter, and 36.7 mm overall height to support proper brake fitment.\u003c\/p\u003e\u003cp\u003eThe GEOSPEC coated rotor line is intended to provide a coated braking surface and rotor finish for replacement service where dimensional consistency is critical. If you are sourcing a front brake rotor for a Porsche 911, this part number 604-02000 is the direct-fit reference to verify against your existing rotor measurements and brake hardware configuration.\u003c\/p\u003e\u003ch2\u003eWhat This Rotor Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFront brake rotor wear on classic Porsche 911 models\u003c\/li\u003e\n\u003cli\u003eRotor thickness loss approaching discard specification\u003c\/li\u003e\n\u003cli\u003eBrake pulsation caused by worn or out-of-spec rotors\u003c\/li\u003e\n\u003cli\u003eCorrosion on the rotor surface and hat area\u003c\/li\u003e\n\u003cli\u003eIncorrect rotor dimensions during brake restoration or replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify the rotor is for the front position before installation.\u003c\/li\u003e\n\u003cli\u003eConfirm solid rotor configuration and compare all dimensions to the removed part.\u003c\/li\u003e\n\u003cli\u003eCheck caliper type on 1969-1973 Porsche 911 applications, including front cast iron \"M\" calipers.\u003c\/li\u003e\n\u003cli\u003eInspect pads, calipers, and wheel bearings during brake service.\u003c\/li\u003e\n\u003cli\u003eClean the rotor surface before final assembly to remove any protective residue.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDFC GEOSPEC coated rotors are built around application-specific dimensions for direct replacement use. Confirm fitment by year, model, and brake configuration before ordering. Part number 604-02000 is listed for 1965-1973 Porsche 911 front brake applications.\u003c\/p\u003e","brand":"Dynamic Friction","offers":[{"title":"Default Title","offer_id":43389547053237,"sku":"HBHR-604-02000","price":56.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DF_60402000_Fro.jpg?v=1774633956","url":"https:\/\/www.partcatalog.com\/products\/dynamic-friction-604-02000-disc-brake-rotor","provider":"PartCatalog","version":"1.0","type":"link"}