{"title":"Brake Caliper Upgrades and Conversions","description":"\u003cp\u003eWant to run smaller wheels so you can run rally tires or chunky mud terrains with more sidewall? Maybe you to be able to run cheaper snow tires than you stock wheels allow. We have specialized kits put together for almost every application, that will get you the best possible brake performance in the smallest possible package.\u003c\/p\u003e","products":[{"product_id":"5x100-4-pot-brake-conversion-kits","title":"5x100 4-Pot Brake Conversion Kit","description":"\u003cp\u003e•Our kits contain everything you need to upgrade your old front brakes to the more robust and powerful Subaru 4-pot brakes found on older JDM STi's. This is basically the same setup found on our 2008 STi Rally car, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/p\u003e\n\u003cp\u003e• 4-pot Front calipers won't fit with a \"normal\" 15\" wheel you'll need \"motorsport\" wheels like our Speedline Corse, they will fit under most \"normal\" 16\" and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/p\u003e\n\u003cp\u003e• Don't forget to upgrade your brake lines and fluid when you install your new parts. We stock the full Motul lineup and G-Stop brake lines to complete your install.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e**Modification to the backing plate may be necessary on some models.**\u003c\/em\u003e\u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47037962256625,"sku":"5x100 4-Pot Conversion","price":745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/4-pot-Brake-Calipers.jpg?v=1761053601"},{"product_id":"sti-and-5x114-4-pot-brake-downsize-conversion-kits","title":"4 Pot Brake Conversion Kit for 04-07 STi","description":"\u003cp\u003e4 Pot Brake Conversion Kit for 04-07 STi\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOur kits contains everything you need for 2004-2016 STi and 15-16 WRX owners to \"down size\" their Brakes so they can run 15\" gravel wheels or a smaller wheel\/taller snow tire for the winter without a big  loss in braking performance.  This is the exact setup found on our 2008 STi Rallycar, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/li\u003e\n\u003cli\u003e4-pot Front calipers won't fit with a \"normal\" 15\" wheel you'll need \"motorsport\" wheels like our Speedline Corse 2118, they will fit under most \"normal\" 16\" and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e**Brake dust shields may need to be modified or removed.**\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47037962289393,"sku":"04-07 STi 4-Pot Brake 5x114.3","price":765.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/4-pot-STi.png?v=1761053602"},{"product_id":"04-07-sti-2-pot-brake-conversion-kits-2","title":"2-Pot Brake Conversion Kit for 04-07 STI","description":"\u003cp\u003eThis 2-Pot Brake Conversion Kit for 04-07 STI kit contains everything STi owners need to “down size” their Brembo brakes. Run 15″ gravel wheels or 16″ wheels with taller sidewall snow tire for the winter with this kit.  Keep you braking performance high.\u003c\/p\u003e\n\u003cp\u003eThis is the exact setup can be found on many Rally cars. Proven in competition it's also a good setup for the street, Off-Road or Rallycross!\u003c\/p\u003e\n\u003cp\u003eDon't forget to upgrade your brake lines and fluid when you install your new parts.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47037962322161,"sku":"2-Pot Conversion STi early","price":685.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/2-Pot-Conversion_1.jpg?v=1761053602"},{"product_id":"2008-wrximpreza-2-pot-brake-conversion-kits","title":"2-Pot Rear Conversion 5x100 2008-2014","description":"\u003cp\u003eOur 2-Pot Rear Conversion 5x100 for 2008-2014 Subaru WRX and Impreza kits contains everything you need to upgrade your old single piston rear calipers to the more powerful 2-pot brakes found on the JDM STi's. Do you plan to convert your WRX or Impreza into a stage rally car and want to upgrade the brakes while still being able to fit 15\" wheels and rally tires or you just want the ability to run 15\" wheels for the increased tire sidewall? This is the exact setup is used on many rally cars, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #008080;\"\u003e\u003cstrong\u003e2-pot calipers won't fit under all 15 inch wheels you'll need a motorsport wheel like the Speedline Corse 2118, they will fit under most normal 16 inch and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003eDon't forget to upgrade your brake lines and fluid when you install your new parts. We stock the full Motul lineup and Stoptech braided brake lines to complete your install.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47037962387697,"sku":"2-Pot Conversion 5x100 late 1","price":675.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/2-Pot.png?v=1761053608"},{"product_id":"sti-4-pot-gravel-front-rotor","title":"STi 4-pot Gravel Front Rotors","description":"\u003cp\u003eSTi 4-pot Gravel Front Rotor.  Often called \"Group N Brakes\" or \"Gravel Brakes\", this rotor was for many years difficult to find and purchase, luckily those days are over.  This rotor is exactly what you need to complete your brake conversion on your 2004+ STi or 2015 - 2021 WRX.\u003c\/p\u003e\n\u003cp\u003eIf you're trying to fit 15\" wheels on your STi this is the rotor you need.  Check out our wheel section for a the correct wheel to match this brake setup.\u003c\/p\u003e\n\u003cp\u003eDBA’s 4000 Series disc brake rotors provide upgraded braking performance.\u003c\/p\u003e\n\u003cp\u003eCast from XG-150 high carbon alloyed iron with thermal stability profiling.  DBA’s metallurgy is able to consistently handle the increased stress and heat generated under intense braking.\u003c\/p\u003e\n\u003cp\u003eDBA’s patented Kangaroo Paw ventilation increases surface area and improves cooling efficiency.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47037971890417,"sku":"STi 4-pot Gravel Front Rotors","price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/4-Pot-Rotor_1_2d04515f-2d85-4ce6-a9b0-4ffa97ce10de.jpg?v=1761053776"},{"product_id":"2-pot-rear-conversion-5x114-2008-2021-sti-2015-2021-wrx","title":"2-Pot Rear Conversion 5x114 for 2008-2021 STi \u0026 2015-2021 WRX","description":"\u003cp\u003eOur 2-Pot Rear Conversion 5x114 for 2008-2021 STi \u0026amp; 2015-2021 WRX kits contain everything you need to upgrade your old single piston rear calipers to the more powerful 2-pot brakes found on the JDM STi's. Do you plan to convert your WRX or Impreza into a stage rally car and want to upgrade the brakes while still being able to fit 15\" wheels and rally tires or you just want the ability to run 15\" wheels for the increased tire sidewall. This is the exact setup is used on many rally cars, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #008080;\"\u003e\u003cstrong\u003e2-pot calipers won't fit under all 15 inch wheels you'll need a motorsport wheel like the Speedline Corse 2118, they will fit under most normal 16 inch and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003eDon't forget to upgrade your brake lines and fluid when you install your new parts. We stock the full Motul lineup and Stoptech braided brake lines to complete your install.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47038001086705,"sku":"2-Pot Conversion 5x114 late","price":675.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/2-Pot-Conversion_1_1bb6bc0d-f619-4b75-84fb-7ebee28e2a35.jpg?v=1761054346"},{"product_id":"2-pot-brake-conversion-kit-5x100-early","title":"2-Pot Brake Conversion Kit 5x100 for Early Models","description":"\u003cp\u003eOur 2-pot brake conversion kits 5x100 for early models contain everything you need to upgrade your old single piston rear calipers to the more powerful 2-pot brakes found on the JDM STi's. Do you plan to convert your WRX or Impreza into a stage rally car and want to upgrade the brakes while still being able to fit 15\" wheels and rally tires or you just want the ability to run 15\" wheels for the increased tire sidewall. This is the exact setup is used on many rally cars, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #008080;\"\u003e\u003cstrong\u003e2-pot calipers won't fit under all 15 inch wheels you'll need a motorsport wheel like the Speedline Corse 2118, they will fit under most normal 16 inch and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003eDon't forget to upgrade your brake lines and fluid when you install your new parts. We stock the full Motul lineup and Stoptech braided brake lines to complete your install.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47038001152241,"sku":"2-pot rear conversion early 5x100","price":685.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/2-Pot-Conversion_1_32b5b208-1fdc-4021-8c7a-724ca61bf2a9.jpg?v=1761054349"},{"product_id":"08-21-sti-wrx-5x114-3-4-pot-brake-conversion-kit","title":"08-21 STi \u0026 WRX (5x114.3) 4-Pot Brake Conversion Kit","description":"\u003cul\u003e\n\u003cli\u003eOur kits contains everything you needed for 2008-2021 STi and 08-21 WRX owners to \"down size\" their Brakes so they can run 15\" gravel wheels or a smaller wheel\/taller snow tire for the winter without a big  loss in braking performance.  This is the exact setup found on our 2008 STi Rallycar, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/li\u003e\n\u003cli\u003e4-pot Front calipers won't fit with a \"normal\" 15\" wheel you'll need \"motorsport\" wheels like our Speedline Corse 2118, they will fit under most \"normal\" 16\" and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e**Brake dust shields may need to be modified or removed.**\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47038010294513,"sku":"08-21 STi \u0026 WRX (5x114.3) 4-Pot Brake Conversion Kit","price":765.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/570-STiWRX-4-Pot-Brake-Conversion-Kits.jpg?v=1761054532"},{"product_id":"2017-imp-18-crosstrek-5x100-4-pot-brake-conversion-kit","title":"4-Pot Brake Conversion Kit for 2017+ Imp. \u0026 18+ Crosstrek 5x100","description":"\u003cp\u003e4-Pot Brake Conversion Kit for 2017+ Imp. \u0026amp; 18+ Crosstrek 5x100\u003c\/p\u003e\n\u003cp\u003e•Our kits contains everything you need to upgrade your old front brakes to the more robust and powerful Subaru 4-pot brakes found on older JDM STi's. This is basically the same setup found on our 2008 STi Rally car, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/p\u003e\n\u003cp\u003e• 4-pot Front calipers won't fit with a \"normal\" 15\" wheel you'll need \"motorsport\" wheels like our Speedline Corse, they will fit under most \"normal\" 16\" and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/p\u003e\n\u003cp\u003e• Don't forget to upgrade your brake lines and fluid when you install your new parts. We stock the full Motul lineup and G-Stop brake lines to complete your install.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e**Modification to the backing plate may be necessary on some models.**\u003c\/em\u003e\u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47038010556657,"sku":"17+ 4-Pot 5x100","price":745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/4-pot-installed-on-18-crosstrek.jpg?v=1761054539"},{"product_id":"13-crosstrek-14-18-forester-non-turbo-17-impreza-2-pot-brake-conversion-kits","title":"2-Pot Brake Conversion Kits for 13+ Crosstrek, 14-18 Forester\/XT \u0026 17+ Impreza","description":"\u003cp\u003eOur Crosstrek 2-Pot Brake Conversion Kits contain everything you need to upgrade your old single-piston rear calipers to the more powerful 2-pot brakes found on the JDM STi's. Do you plan to convert your WRX or Impreza into a stage rally car and want to upgrade the brakes while still being able to fit 15\" wheels and rally tires or do you just want the ability to run 15\" wheels for the increased tire sidewall. This is the exact setup is used on many rally cars, so if it's good enough for us to race on you know its a good setup for the street, off-road or rallycross!\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #008080;\"\u003e\u003cstrong\u003eCrosstrek 2-Pot Brake Conversion Kits won't fit under all 15 inch wheels you'll need a motorsport wheel like the Speedline Corse 2118, they will fit under most normal 16 inch and larger wheels but in some cases a small wheel spacer will be needed.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003eDon't forget to upgrade your brake lines and fluid when you install your new parts. We stock the full Motul lineup and Stoptech braided brake lines to complete your install.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Primitive Racing","offers":[{"title":"Default Title","offer_id":47038016880881,"sku":"13+ Crosstrek, 14-18 Forester (Non Turbo) \u0026 17+ Impreza \u0026 2-Pot Brake Conversion Kits","price":685.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/files\/2-Pot_04cee5a3-0db2-4ec7-8d7b-abe7a0972915.png?v=1761054686"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0763\/5179\/9537\/collections\/Copy-of-P1122073-Edit-1.jpg?v=1761053375","url":"https:\/\/get-primitive.com\/collections\/brake-caliper-upgrades-and-conversions-motorsport-and-rally-prep.oembed","provider":"Primitive Racing","version":"1.0","type":"link"}