{"product_id":"grimmspeed-4-piston-brake-caliper-kit-for-02-21-wrx-sti-340mm-rotor","title":"GrimmSpeed 4-Piston Brake Caliper Kit For 02-21 WRX\/STI (340mm Rotor)","description":"\u003ch2\u003eGrimmSpeed 4-Piston Brake Caliper Kit - Subaru WRX\/STI\u003c\/h2\u003e\n\n\u003cp\u003eThe stock single-piston caliper fitted to most Subaru platforms does the job on the daily commute, but it struggles once you start tracking the car or building for more aggressive driving. GrimmSpeed's 4-Piston Brake Caliper Kit (SKU GRM.1170.1.RED \/ GRM.1170.1.GRY) is a purpose-built fixed caliper upgrade for the \u003cstrong\u003eSubaru WRX\u003c\/strong\u003e and \u003cstrong\u003eSubaru STI\u003c\/strong\u003e, giving more even pad pressure, better heat management and a firmer, more consistent pedal without chasing down used Brembos or fabricating brackets.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers the \u003cstrong\u003eSubaru WRX\u003c\/strong\u003e (2002-2021) and \u003cstrong\u003eSubaru STI\u003c\/strong\u003e (2004-2021) fitted with a 340mm rotor, using the factory hub and rotor mounting points - no knuckle swaps or custom adapters needed. The kit is available in Red or Gunmetal Gray anodised caliper finishes, selectable via the variant options on this listing.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForged 6061-T6 aluminium two piece caliper body, hard anodised for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eDual piston design - 44mm primary and 41mm secondary pistons for even pad pressure and reduced taper\u003c\/li\u003e\n\u003cli\u003eType 3 hard anodised, vented pistons for improved thermal control\u003c\/li\u003e\n\u003cli\u003eApproximately 4.5 kg (9.9 lb) per corner including bracket and hardware\u003c\/li\u003e\n\u003cli\u003eUses FMSI D968 (F40) brake pads for this application\u003c\/li\u003e\n\u003cli\u003eCompatible with commonly available Subaru OEM and STI 340mm rotors\u003c\/li\u003e\n\u003cli\u003eWorks with factory brake lines - new lines may be recommended depending on the vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKit Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2 x GrimmSpeed 4-piston brake calipers (Red or Gunmetal Gray)\u003c\/li\u003e\n\u003cli\u003e2 x vehicle specific billet 4140 steel caliper brackets\u003c\/li\u003e\n\u003cli\u003eFull hardware kit - bridge bolts, banjo bolts, crush washers, bleeder dust caps, caliper guide pins, security cotter pins, spring bridges and bolts\u003c\/li\u003e\n\u003cli\u003ePrintable 1:1 fitment template and install instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility, OEM part numbers and fitment notes are provided in the tabs above. Please confirm your WRX or STI's year, rotor size and configuration before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if this kit suits your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"GrimmSpeed","offers":[{"title":"Red","offer_id":53876259586341,"sku":"GRM.1170.1.RED","price":3265.0,"currency_code":"AUD","in_stock":true},{"title":"Gunmetal Gray","offer_id":53876259619109,"sku":"GRM.1170.1.GRY","price":3265.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/GRM.113.1.0-4.jpg?v=1789971035","url":"https:\/\/www.chicaneaustralia.com.au\/products\/grimmspeed-4-piston-brake-caliper-kit-for-02-21-wrx-sti-340mm-rotor","provider":"Chicane Australia","version":"1.0","type":"link"}