{"product_id":"swift-spec-r-lowering-springs-for-2017-2020-honda-civic-si-fc1-fc3","title":"Swift Spec-R Lowering Springs for 2017-2020 Honda Civic Si (FC1\/FC3)","description":"\u003cp\u003eThese Swift Spec-R lowering springs fit the 2017-2020 Honda Civic Si.\u003c\/p\u003e\u003cp\u003eThe Swift Spec-R Lowering Springs for the 2017-2020 Honda Civic Si (FC1\/FC3) give the 10th-gen Si a sportier stance and sharper handling that the turbocharged 1.5L platform is more than capable of using. These FC1\/FC3 Civic Si lowering springs deliver an approximate 1.1\" front and 1.1\" rear drop with spring rates of 4.1 Kg\/mm front and 5.7 Kg\/mm rear, engineered to work with the Si's adaptive dampers. Built in Japan from Swift's proprietary H5S.TW spring steel, these Civic Si springs reduce body roll and improve cornering confidence for autocross events, HPDE track days, and spirited daily driving.\u003c\/p\u003e\n\u003ch3\u003eSwift Spec-R Technology\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary H5S.TW high-tensile spring steel, manufactured in Japan\u003c\/li\u003e\n\u003cli\u003eOptimized ride height to maximize suspension geometry at lowered position\u003c\/li\u003e\n\u003cli\u003eIncreased spring rates tuned to usable shock stroke for balanced performance\u003c\/li\u003e\n\u003cli\u003eFewer coils reduce unsprung mass and completely eliminate coil bind\u003c\/li\u003e\n\u003cli\u003eQuicker transient response for improved traction and road feedback\u003c\/li\u003e\n\u003cli\u003eVehicle-specific bump rubber engineering to prevent bottoming out\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrack-proven in HPDE and SCCA competition\u003c\/li\u003e\n\u003cli\u003eLowered center of gravity for improved cornering grip\u003c\/li\u003e\n\u003cli\u003eReduced body roll and sharper handling response\u003c\/li\u003e\n\u003cli\u003eComfortable enough for daily driving\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM and aftermarket shocks\/struts\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation with no modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped table-primary\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e4H918R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Name\u003c\/td\u003e\n\u003ctd\u003eSwift Spec-R Lowering Springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle\u003c\/td\u003e\n\u003ctd\u003e2017-2020 Honda Civic Si\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Code\u003c\/td\u003e\n\u003ctd\u003eFC1\/FC3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate - Front\u003c\/td\u003e\n\u003ctd\u003e4.1 Kg\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpring Rate - Rear\u003c\/td\u003e\n\u003ctd\u003e5.7 Kg\/mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate Drop - Front\u003c\/td\u003e\n\u003ctd\u003e1.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate Drop - Rear\u003c\/td\u003e\n\u003ctd\u003e1.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotes\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003eVehicle Fitment\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e2017 Honda Civic Si (FC1\/FC3)\u003c\/li\u003e\n\u003cli\u003e2018 Honda Civic Si (FC1\/FC3)\u003c\/li\u003e\n\u003cli\u003e2019 Honda Civic Si (FC1\/FC3)\u003c\/li\u003e\n\u003cli\u003e2020 Honda Civic Si (FC1\/FC3)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Swift Springs","offers":[{"title":"Default Title","offer_id":40191633326140,"sku":"4H918R","price":397.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/products\/swift-spec-r-lowering-springs-for-2017-2020-honda-civic-si-fc1-fc3-4h918r-1194332207.jpg?v=1761817800","url":"https:\/\/www.springrates.com\/products\/swift-spec-r-lowering-springs-for-2017-2020-honda-civic-si-fc1-fc3","provider":"SPRINGRATES","version":"1.0","type":"link"}