{"product_id":"zimmermann-460-4534-70-disc-brake-rotor-front-left","title":"Zimmermann 460.4534.70 Disc Brake Rotor - Front Left","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Zimmermann Formula Z brake rotor, part number 460.4534.70, is a two-piece disc brake rotor built for high mechanical and thermal loads. It combines a floating aluminum hub design with a coated surface and high-carbon machining for stable braking performance and improved corrosion resistance.\u003c\/p\u003e\u003cp\u003eCompatible with Porsche 718 Cayman and Porsche 718 Spyder front left applications, this rotor is engineered for drivers who need consistent braking under demanding conditions. The 460.4534.70 also carries ECE R90 approval for regulated fitment confidence.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eTwo-piece disc brake rotor construction for controlled heat management.\u003c\/li\u003e\n\u003cli\u003eFloating aluminum hub design allows radial expansion under load.\u003c\/li\u003e\n\u003cli\u003eHigh-carbon machining supports durability under elevated thermal stress.\u003c\/li\u003e\n\u003cli\u003eCoated surface helps resist corrosion and maintain appearance.\u003c\/li\u003e\n\u003cli\u003eECE R90 approved for recognized braking compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eZimmermann Formula Z rotors are developed for applications that place greater demands on the braking system, including tuned engines and upgraded chassis setups. The floating mounting design helps reduce heat-related cracking by allowing the rotor to expand more freely during heavy use, while the coated finish adds protection against corrosion. Part number 460.4534.70 is a direct-fit brake rotor solution for Porsche 718 Cayman and Porsche 718 Spyder front left fitments.\u003c\/p\u003e\u003cp\u003eThis part cross-references Porsche 981 351 405 80 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrake fade during repeated high-load stops.\u003c\/li\u003e\n\u003cli\u003eHeat stress that can contribute to rotor cracking.\u003c\/li\u003e\n\u003cli\u003eCorrosion on exposed brake rotor surfaces.\u003c\/li\u003e\n\u003cli\u003eReduced braking consistency in performance driving conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify rotor thickness, hub bore, bolt pattern, and minimum thickness before installation. Confirm the vehicle’s front left brake configuration matches the listed fitment for Porsche 718 Cayman and Porsche 718 Spyder. The 460.4534.70 is supplied as a two-piece rotor with floating hub construction, so proper seating and torque procedures are important during service.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eZimmermann Formula Z rotors are supplied with ECE R90 approval and are designed for demanding braking conditions. The coated surface and high-carbon construction support consistent performance and corrosion resistance.\u003c\/p\u003e","brand":"Zimmermann","offers":[{"title":"Default Title","offer_id":53546742939829,"sku":"BKND-460.4534.70","price":730.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZI_460453470_Fro.jpg?v=1792307632","url":"https:\/\/www.partcatalog.com\/products\/zimmermann-460-4534-70-disc-brake-rotor-front-left","provider":"PartCatalog","version":"1.0","type":"link"}