{"product_id":"paragon-2-piece-rotors-rear-pair-350-370-380x20mm-toyota-alphard-vellfire-30-series-larger-rotor-size","title":"Paragon 2-Piece Rotors – Rear – Toyota Alphard\/Vellfire 30 Series (Larger Rotor Size)","description":"\u003cp\u003e\u003cstrong\u003eReplacement Rotors:\u003c\/strong\u003e \u003ca href=\"https:\/\/alconkits.com\/products\/paragon-replacement-rotors-for-toyota-alphard-vellfire-30-series-rear-pair\"\u003ePRK.123.350.200.22600.08.01.R\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eThese replacement rotor rings are intended for the rear axle. Designed for enthusiasts who want confident fitment, strong thermal stability, and repeatable braking performance.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement rotor rings for Paragon or compatible factory hats where specified\u003c\/li\u003e\n\u003cli\u003eHigh-carbon cast iron construction for stable thermal performance and consistent pedal feel\u003c\/li\u003e\n\u003cli\u003eDirectional vane and slotted design to improve cooling, pad cleaning, and braking consistency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePosition: Rear\u003c\/li\u003e\n\u003cli\u003eRotor to hat mounting system: D-Bobbin (Short) - 10-bolt - 350mm version requires 18\" or larger wheels - 370mm version requires 19\" or larger wheels - 380mm version requires 19\" or larger wheels Fits 2015+ Alphard\/Vellfire 30 Series *Exclusive for Asian market Direct replacement of OEM Toyota part #: 4243158030 Includes: One pair of Paragon Performance 350\/370\/380mm x 20mm 2-piece rotor assemblies with black hard coat\/hard anodized 6061-T6 aerospace grade aluminum hats, stainless steel bobbins, and anti-rattle clips (assembled and ready to install) One pair of steel caliper carriers Detailed installation manual Part # (w\/ black hard anodized hat): P2R\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eBest For: Toyota and Lexus Performance Builds\u003c\/h4\u003e\u003cp\u003eThese rotors are well suited for Toyota and Lexus applications where the goal is reliable fitment, stable heat control, and consistent braking feel. They make sense for drivers who want something more serious than a generic replacement without turning the car into a dedicated race build.\u003c\/p\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eAre these complete rotors or replacement rings?\u003c\/strong\u003e\u003cbr\u003eThis listing is for a complete 2-piece rotor assembly where specified, with the hats included and the parts assembled ready to install.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo these reuse factory hats?\u003c\/strong\u003e\u003cbr\u003eNo. On listings sold as complete Paragon 2-piece rotor assemblies, the rotor hats are included. If your vehicle originally uses a factory 2-piece rotor, some other service-part listings may reuse the OE hats, but this product is sold as a complete assembly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo slotted rotors improve braking?\u003c\/strong\u003e\u003cbr\u003eSlots primarily improve pad cleaning and help maintain consistent braking feel under heat. They do not create a dramatic change in stopping distance by themselves, but they can help the system stay more consistent during repeated hard stops.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen should rotor rings be replaced?\u003c\/strong\u003e\u003cbr\u003eA practical wear indicator is slot depth. When the slots become shallow and much less visible, the rotor is typically nearing the end of its effective service life. Rotor thickness, heat checking, cracking, and brake vibration should also be inspected during service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShould I replace pads at the same time?\u003c\/strong\u003e\u003cbr\u003eYes, in most cases. Fresh pads help the new rotor surface bed in correctly and reduce the chance of uneven deposits, noise, or inconsistent pedal feel.\u003c\/p\u003e\u003ch4\u003eBrake Rotor Technology\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eWhy high-carbon rotors matter\u003c\/strong\u003e\u003cbr\u003eHigh-carbon cast iron offers better thermal stability than generic low-cost rotor materials. That helps the rotor maintain more consistent behavior as temperature rises, which is important on heavier vehicles and on cars driven aggressively.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDirectional vane cooling\u003c\/strong\u003e\u003cbr\u003eDirectional internal vanes are designed to move air through the rotor more effectively, improving heat evacuation and helping the rotor recover more quickly between braking events.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSlotted rotor surface\u003c\/strong\u003e\u003cbr\u003eSlots help keep the pad face clean by clearing away gases, dust, and debris. The result is more consistent pad contact and more repeatable braking feel, especially when the system is worked hard.\u003c\/p\u003e\u003ch4\u003eWhen to Replace Rotor Rings\u003c\/h4\u003e\u003cp\u003eRotor rings should be replaced when the friction surface shows meaningful wear, heat fatigue, or thickness loss. One of the easiest visual indicators is the depth of the rotor slots. As the rotor wears, the slots become shallower. When they are much less visible, the rotor is generally nearing the end of its useful service life.\u003c\/p\u003e\u003cp\u003eOther common signs include visible heat checking or cracking, brake pulsation, heavy scoring, and rotor thickness approaching the service limit.\u003c\/p\u003e\u003ch4\u003eWhy Replace Rotor Rings Instead of the Whole Rotor?\u003c\/h4\u003e\u003cp\u003eThis application uses a 2-piece design because separating the friction ring from the hat improves serviceability, heat management, and weight control. Compared with a heavy one-piece replacement, a quality 2-piece assembly can better suit performance-oriented vehicles where repeated heat cycles matter.\u003c\/p\u003e\u003ch4\u003eCommon Mistakes When Replacing Rotors\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReusing worn pads on a fresh rotor surface\u003c\/li\u003e\n\u003cli\u003eSkipping the pad and rotor bedding process\u003c\/li\u003e\n\u003cli\u003eNot cleaning or inspecting the hat, hardware, and mounting faces\u003c\/li\u003e\n\u003cli\u003eIgnoring brake fluid condition during brake service\u003c\/li\u003e\n\u003cli\u003eOrdering the wrong configuration for the vehicle or hat type\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eTaking care of these details helps the new rotor deliver the braking feel, wear life, and consistency it was designed to provide.\u003c\/p\u003e\u003ch4\u003eRecommended Companion Parts\u003c\/h4\u003e\u003cp\u003eRotor service is also a good time to inspect or replace the brake pads, rotor hardware where applicable, and brake fluid. On performance applications, fresh pads and fluid often have as much impact on brake feel as the rotor itself.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNeed help confirming fitment or choosing the right supporting parts?\u003c\/strong\u003e\u003cbr\u003eOur team specializes in performance brake systems and can help you choose the right combination for your vehicle and how you use it.\u003c\/p\u003e","brand":"Paragon","offers":[{"title":"Default Title","offer_id":49058337587508,"sku":"P2R.123.350.200.22600.08.01.01.R","price":850.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/8534\/7636\/files\/Alphard-Vellfire-30-Series-380mm-2-pc-Rear-Rotors-Paragon-Performance-1__03852_ec74d8dd-afdf-4bac-8174-4e70c8e20c3b.jpg?v=1772895740","url":"https:\/\/alconkits.com\/products\/paragon-2-piece-rotors-rear-pair-350-370-380x20mm-toyota-alphard-vellfire-30-series-larger-rotor-size","provider":"Alcon Brake Kits","version":"1.0","type":"link"}