{"product_id":"paragon-track-performance-big-brake-kit-pa025-4-piston-bmw-m3-g80-m4-g82-g83-rear-pit","title":"Paragon Track Performance Big Brake Kit (PA025 4 piston) - BMW M3 (G80) \/ M4 (G82\/G83) Rear","description":"\u003cstyle\u003e.pit-paragon-pdp h2{font-size:22px!important;line-height:1.3!important;margin:28px 0 12px!important}.pit-paragon-pdp h3{font-size:18px!important;line-height:1.4!important}.pit-paragon-pdp .pit-paragon-table{max-width:100%;overflow-x:auto;margin:16px 0}.pit-paragon-pdp table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.5}.pit-paragon-pdp caption{text-align:left;font-weight:600;padding:0 0 10px}.pit-paragon-pdp th,.pit-paragon-pdp td{padding:10px 12px;border:1px solid #dedede;text-align:left;vertical-align:top;overflow-wrap:anywhere}.pit-paragon-pdp th{width:32%;font-weight:600}.pit-paragon-pdp details{border-top:1px solid #dedede;padding:14px 0}.pit-paragon-pdp details:last-child{border-bottom:1px solid #dedede}.pit-paragon-pdp summary{cursor:pointer;font-size:16px!important;line-height:1.5;font-weight:600;list-style-position:outside;margin-left:18px}.pit-paragon-pdp details p{margin:12px 0 0;line-height:1.65}@media(max-width:749px){.pit-paragon-pdp h2{font-size:20px!important}.pit-paragon-pdp h3{font-size:17px!important}.pit-paragon-pdp th,.pit-paragon-pdp td{padding:8px}.pit-paragon-pdp summary{font-size:15px!important}}\u003c\/style\u003e\u003cdiv class=\"pit-paragon-pdp\"\u003e\n\u003cp\u003eThis Paragon PA025 rear big brake kit fits BMW G80 M3 \/ G82 M4 and pairs application-specific calipers with two-piece rotors, pads and mounting hardware. Select the listed rotor\/caliper configuration and a pad compound that suits how you drive.\u003c\/p\u003e\n\u003ch2\u003eKit configuration and fitment\u003c\/h2\u003e\n\u003cdiv class=\"pit-paragon-table\"\u003e\u003ctable\u003e\n\u003ccaption\u003eG8X rear brake kit\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVehicle application\u003c\/th\u003e\n\u003ctd\u003eBMW G80 M3 \/ G82 M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAxle\u003c\/th\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCaliper\u003c\/th\u003e\n\u003ctd\u003ePA025 — four pistons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRotor configuration\u003c\/th\u003e\n\u003ctd\u003e355x32mm Rotor; 380x32mm Rotor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCaliper finish\u003c\/th\u003e\n\u003ctd\u003eMil-Spec Hard Coat Anodizing; ENP Electroless Nickel Plating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrake pad compound\u003c\/th\u003e\n\u003ctd\u003eChoose the compound shown in the product selector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp\u003eThis page offers the configurations stated above. Rotor size, caliper model and finish must match the ordered kit; a similar kit for the same vehicle may use different components.\u003c\/p\u003e\n\u003ch2\u003eCaliper and rotor design\u003c\/h2\u003e\n\u003cp\u003eThe PA025 calipers work with Paragon two-piece iron rotors and application-specific mounting brackets. Paragon machines the caliper body from 6061-T6 aluminum with application-specific piston sizing. The fully floating rotor mounting allows the iron ring to expand through heat cycles.\u003c\/p\u003e\n\u003cp\u003eHard anodizing and ENP electroless nickel plating are the finishes offered where listed. Choose from this page’s actual configurations; the finish does not establish wheel clearance.\u003c\/p\u003e\n\u003cp\u003ePA025 and PA055 use the PBP814 service pad specification. The brake kit is vehicle- and axle-specific even though these caliper families share a pad shape.\u003c\/p\u003e\n\u003ch2\u003eWhat is included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTwo PA025 calipers and two Paragon rotor assemblies for the listed axle\u003c\/li\u003e\n\u003cli\u003eA set of brake pads in the ordered compound\u003c\/li\u003e\n\u003cli\u003eCaliper mounting brackets and required mounting hardware\u003c\/li\u003e\n\u003cli\u003eGoodridge stainless steel braided brake lines\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/paragonbrakes.com\/content\/Paragon%20Track%20Performance%20Big%20Brake%20Kit%20Installation%20Instructions.pdf\" target=\"_blank\" rel=\"noopener\" style=\"text-decoration:underline\"\u003eParagon general big brake kit installation guide (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose a pad compound\u003c\/h2\u003e\n\u003cp\u003eP2 Sport Comfort is the street-oriented choice. P3 Road \u0026amp; Track covers sport driving and light track duty. R5 and R7 target dedicated track\/competition use and bring greater noise, dust and a higher operating-temperature requirement. Choose for the complete braking setup rather than friction rating alone.\u003c\/p\u003e\n\u003ch2\u003eWheel clearance and installation\u003c\/h2\u003e\n\u003cp\u003eCheck a wheel-fitment template for the exact rotor\/caliper configuration before ordering. Wheel diameter alone does not establish barrel or spoke clearance. Include any aftermarket suspension hardware in the check, then confirm brake-line routing and component clearance during professional installation.\u003c\/p\u003e\n\u003ch2\u003eManufacturer fitment references\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store-8pb2bpl705.mybigcommerce.com\/content\/Wheel%20Fitment%20Template\/PA025\/PA025%20355x32mm%20Wheel%20Fitment%20Template%20%28Letter%20Size%29%20-%20BMW%20M3%20%28G80%29%20M4%20%28G82%20G83%29%20Rear.pdf\" target=\"_blank\" rel=\"noopener\"\u003e355x32mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store-8pb2bpl705.mybigcommerce.com\/content\/Wheel%20Fitment%20Template\/PA025\/PA025%20380x32mm%20Wheel%20Fitment%20Template%20%28Letter%20Size%29%20-%20BMW%20M3%20%28G80%29%20M4%20%28G82%20G83%29%20Rear.pdf\" target=\"_blank\" rel=\"noopener\"\u003e380x32mm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/store-8pb2bpl705.mybigcommerce.com\/content\/big-brake-kit-wheel-fitment-guide.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHow to use the wheel fitment template (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct FAQs\u003c\/h2\u003e\n\u003cdiv class=\"pit-paragon-faq\"\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit upgrade both axles?\u003c\/summary\u003e\u003cp\u003eNo. It is an axle-specific rear kit for BMW G80 M3 \/ G82 M4. The listed calipers, rotors, pads and hardware serve that axle.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat must I check before ordering?\u003c\/summary\u003e\u003cp\u003eConfirm the vehicle\/chassis, rear axle, ordered rotor\/caliper configuration and wheel clearance. Fitment should include any modified suspension components.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes a larger wheel guarantee clearance?\u003c\/summary\u003e\u003cp\u003eNo. Barrel shape, spoke design and offset matter as well as diameter. Use the template for the exact kit rather than relying on nominal wheel size.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhich replacement pads does this caliper use?\u003c\/summary\u003e\u003cp\u003ePA025\/PA055 use PBP814. Match the installed caliper and choose the appropriate compound.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"Paragon Performance","offers":[{"title":"Mil-Spec Hard Coat Anodizing \/ 355x32mm Rotor \/ P2 Sport Comfort (Street \/ Sport Driving)","offer_id":67929810370848,"sku":"PBK.04.148.355.320.TL.01.02.P2.R","price":2700.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 355x32mm Rotor \/ P3 Road \u0026 Track (Street \/ Sport Driving \/ Light Track Duty)","offer_id":67929810403616,"sku":"PBK.04.148.355.320.TL.01.02.P3.R","price":2700.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 355x32mm Rotor \/ R5 Track \u0026 Competition (High Friction Track \/ Competition)","offer_id":67929810436384,"sku":"PBK.04.148.355.320.TL.01.02.R5.R","price":2765.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 355x32mm Rotor \/ R7 Track \u0026 Competition (Maximum Friction Track \/ Competition)","offer_id":67929810469152,"sku":"PBK.04.148.355.320.TL.01.02.R7.R","price":2805.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 380x32mm Rotor \/ P2 Sport Comfort (Street \/ Sport Driving)","offer_id":67929810501920,"sku":"PBK.04.148.380.320.TL.01.02.P2.R","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 380x32mm Rotor \/ P3 Road \u0026 Track (Street \/ Sport Driving \/ Light Track Duty)","offer_id":67929810534688,"sku":"PBK.04.148.380.320.TL.01.02.P3.R","price":2800.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 380x32mm Rotor \/ R5 Track \u0026 Competition (High Friction Track \/ Competition)","offer_id":67929810567456,"sku":"PBK.04.148.380.320.TL.01.02.R5.R","price":2865.0,"currency_code":"USD","in_stock":true},{"title":"Mil-Spec Hard Coat Anodizing \/ 380x32mm Rotor \/ R7 Track \u0026 Competition (Maximum Friction Track \/ Competition)","offer_id":67929810600224,"sku":"PBK.04.148.380.320.TL.01.02.R7.R","price":2905.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 355x32mm Rotor \/ P2 Sport Comfort (Street \/ Sport Driving)","offer_id":67929810632992,"sku":"PBK.04.148.355.320.TL.02.02.P2.R","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 355x32mm Rotor \/ P3 Road \u0026 Track (Street \/ Sport Driving \/ Light Track Duty)","offer_id":67929810665760,"sku":"PBK.04.148.355.320.TL.02.02.P3.R","price":2900.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 355x32mm Rotor \/ R5 Track \u0026 Competition (High Friction Track \/ Competition)","offer_id":67929810698528,"sku":"PBK.04.148.355.320.TL.02.02.R5.R","price":2965.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 355x32mm Rotor \/ R7 Track \u0026 Competition (Maximum Friction Track \/ Competition)","offer_id":67929810731296,"sku":"PBK.04.148.355.320.TL.02.02.R7.R","price":3005.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 380x32mm Rotor \/ P2 Sport Comfort (Street \/ Sport Driving)","offer_id":67929810764064,"sku":"PBK.04.148.380.320.TL.02.02.P2.R","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 380x32mm Rotor \/ P3 Road \u0026 Track (Street \/ Sport Driving \/ Light Track Duty)","offer_id":67929810796832,"sku":"PBK.04.148.380.320.TL.02.02.P3.R","price":3000.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 380x32mm Rotor \/ R5 Track \u0026 Competition (High Friction Track \/ Competition)","offer_id":67929810829600,"sku":"PBK.04.148.380.320.TL.02.02.R5.R","price":3065.0,"currency_code":"USD","in_stock":true},{"title":"ENP Electroless Nickel Plating \/ 380x32mm Rotor \/ R7 Track \u0026 Competition (Maximum Friction Track \/ Competition)","offer_id":67929810862368,"sku":"PBK.04.148.380.320.TL.02.02.R7.R","price":3105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/9339\/1392\/files\/Paragon-Track-Performance-PA025-Rear-Brake-Kit-1__54181.1671155490.jpg?v=1792727826","url":"https:\/\/ridgelinemotorsport.com\/products\/paragon-track-performance-big-brake-kit-pa025-4-piston-bmw-m3-g80-m4-g82-g83-rear-pit","provider":"Ridgeline Motorsport","version":"1.0","type":"link"}