{"product_id":"spring-kit-spec-r-subaru-wrx-sti-15-21","title":"Spring Kit  Spec-R Subaru WRX \/ STi 15-21","description":"\u003cp\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Swift Springs Spec-R lowering spring kit (4F914R) is built for the 2015-2021 Subaru WRX STi (VA chassis). Swift rates the front springs at 6.3 kgf\/mm and the rear springs at 7.4 kgf\/mm, with a 1.0 in drop at both the front and rear. Spec-R springs are tuned around the upper limits of the factory shock valving, so the kit is designed to work with the stock dampers. The kit contains front and rear steel springs with a black powder coat finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Swift Springs\u003c\/li\u003e\n\u003cli\u003eProduct: Spec-R Lowering Spring Kit\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 4F914R\u003c\/li\u003e\n\u003cli\u003eSKU: BGBF_4F914R\u003c\/li\u003e\n\u003cli\u003eVehicle: 2015-2021 Subaru WRX STi (VA chassis)\u003c\/li\u003e\n\u003cli\u003eFront spring rate: 6.3 kgf\/mm (353 lb\/in)\u003c\/li\u003e\n\u003cli\u003eRear spring rate: 7.4 kgf\/mm (414 lb\/in)\u003c\/li\u003e\n\u003cli\u003eDrop: 1.0 in front, 1.0 in rear\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eFinish: Black powder coat\u003c\/li\u003e\n\u003cli\u003eContents: Front and rear springs (kit)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eUsage \u0026amp; Buying Guidance\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFits the VA-chassis WRX STi only; the standard WRX uses a different part number (4F915R). A wheel alignment is recommended after installation.\u003c\/p\u003e","brand":"SWIFT SPRINGS","offers":[{"title":"Default Title","offer_id":67516071313698,"sku":"BGBF_4F914R","price":397.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/2684\/5730\/files\/SWI4F914R.jpg?v=1791867555","url":"https:\/\/turbochargedracing.com\/products\/spring-kit-spec-r-subaru-wrx-sti-15-21","provider":"Turbochargedracing","version":"1.0","type":"link"}