{"product_id":"paragon-replacement-rotors-for-bmw-m3-g80-m4-g82-g83-rear-pair","title":"Paragon Replacement Rotors for BMW M3 (G80) \/ M4 (G82\/G83) - Rear Pair","description":"\u003ch2\u003eParagon Replacement Rotors for BMW M3 (G80) \/ M4 (G82\/G83) – Rear Pair\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e 2021+ BMW M3 (G80) \/ M4 (G82\/G83)\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e PRK.148.370.240.22100.08.01.R\u003c\/p\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003cp\u003eThese rotor rings (friction rings) are direct replacement for Paragon Performance 2-piece Rotors. Sold in pairs. Comes with new rotor attachment hardware kits (enough for 2 rotors) and assembly instructions for a complete rebuild.\u003c\/p\u003e\n\n\u003cp\u003eParagon Performance Rotor Ring offers superior braking and cooling efficiency optimised for track and race applications. It features directional ventilation vanes to create suction, turbulence, and guides cool air through the rotor for improved heat dissipation and increased resistance to cracking under harsh track conditions.\u003c\/p\u003e\n\n\u003cp\u003eMade of CM-250 special formulated high carbon alloy cast iron, it allows for an optimal bite, thermal characteristics, high-temperature strength and durability. Rotor rings are heat treated to release stress in the rotor to avoid deformation and vibration, then turned by state-of-the-art CBN surface machining to ensure better break-in with new brake pads.\u003c\/p\u003e\n\n\u003cp\u003eThe floating 2-piece design allows thermal expansion of the rotor while minimising deformation and ensuring the rotor is self-centred with the pads. A slotted rotor improves braking consistency by maintaining a clean contact surface and dissipates heat generated and gases released when the pads come into contact with the rotors. Vibration is reduced as the rotor lateral run-out is kept within 0.03mm and well-balanced: variations are kept within 2 grams. Weighing less than most O.E. rotors while maintaining proper thermal capacity, our rotors improve overall handling by saving unsprung mass.\u003c\/p\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e370mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eThickness (new)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e24mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e2-Piece Floating\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eFace Pattern\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003eSlotted\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eVented\/Solid\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003eVented\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eFriction Ring Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003eCM-250 High Carbon Alloy Cast Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eRotor Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003eCBN Machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003ch3\u003eCross Reference:\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse: collapse;\"\u003e\n  \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003e\u003cstrong\u003eParagon Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px 12px;\"\u003ePRK.148.370.240.22100.08.01.R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003chr style=\"margin: 20px 0; border: 0; border-top: 1px solid #000;\"\u003e\n\n\u003cp\u003e\u003cem\u003eSold as a pair. Includes rotor attachment hardware kits and assembly instructions for a complete rebuild.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eThis is a made-to-order item. Lead times apply — please contact us to confirm availability and estimated dispatch.\u003c\/em\u003e\u003c\/p\u003e","brand":"Paragon","offers":[{"title":"Default Title","offer_id":67544134779184,"sku":"PRK.148.370.240.22100.08.01.R","price":1299.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0934\/3156\/2544\/files\/Rotor-ring-1252-T__53497.jpg?v=1787016019","url":"https:\/\/coore.com.au\/products\/paragon-replacement-rotors-for-bmw-m3-g80-m4-g82-g83-rear-pair","provider":"Coore | Performance \u0026 Aftermarket","version":"1.0","type":"link"}