{"product_id":"swift-spec-r-lowering-springs-honda-civic-si-2012-2015","title":"Swift Spec-R Lowering Springs - Honda Civic Si (2012-2015)","description":"\u003cp\u003e\u003cstrong\u003e4H915R - Swift Spec-R Lowering Springs - Honda Civic Si (2012-2015)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"160\" data-end=\"413\"\u003eEnhance the handling and stance of your 2012–2015 Honda Civic Si with Swift Spec-R lowering springs. Designed specifically for the 9th-generation Civic Si platform, these springs improve chassis response while maintaining ride comfort for daily driving.\u003c\/p\u003e\n\u003cp data-start=\"415\" data-end=\"683\"\u003eThese Civic Si lowering springs are engineered to reduce body roll, improve steering precision, and deliver a more stable and controlled feel during cornering. The slightly more aggressive drop enhances both performance and appearance without compromising drivability.\u003c\/p\u003e\n\u003cp data-start=\"685\" data-end=\"867\"\u003eWhether you're upgrading your suspension for spirited driving or refining your Civic’s stance, Swift Spec-R springs provide a balanced and reliable solution for the 9th-gen platform.\u003c\/p\u003e\n\u003chr data-start=\"763\" data-end=\"766\"\u003e\n\u003cp data-start=\"768\" data-end=\"784\"\u003e\u003cstrong data-start=\"768\" data-end=\"784\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"785\" data-end=\"1021\"\u003e\n\u003cli data-section-id=\"tfw66h\" data-start=\"785\" data-end=\"821\"\u003eDesigned for 2012–2015 Honda Civic Si (coupe and sedan)\u003c\/li\u003e\n\u003cli data-section-id=\"7ob0hp\" data-start=\"822\" data-end=\"871\"\u003eImproves handling and overall chassis control\u003c\/li\u003e\n\u003cli data-section-id=\"1h8e0jm\" data-start=\"872\" data-end=\"920\"\u003eReduces body roll and sharpens steering feel\u003c\/li\u003e\n\u003cli data-section-id=\"15fzta5\" data-start=\"921\" data-end=\"965\"\u003eMaintains ride comfort for daily driving\u003c\/li\u003e\n\u003cli data-section-id=\"lugrgw\" data-start=\"966\" data-end=\"1021\"\u003eBalanced drop for a cleaner, more aggressive stance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1023\" data-end=\"1026\"\u003e\n\u003cp data-start=\"1028\" data-end=\"1065\"\u003e\u003cstrong data-start=\"1028\" data-end=\"1046\"\u003eSpecifications\u003c\/strong\u003e\u003cbr data-start=\"1046\" data-end=\"1049\"\u003ePart #: 4H915R\u003c\/p\u003e\n\u003cp data-start=\"1067\" data-end=\"1120\"\u003eSpring Rates\u003cbr data-start=\"1079\" data-end=\"1082\"\u003eFront: 4.7 kgf\/mm\u003cbr data-start=\"1099\" data-end=\"1102\"\u003eRear: 5.4 kgf\/mm\u003c\/p\u003e\n\u003cp data-start=\"1122\" data-end=\"1172\"\u003eLowering Amount\u003cbr data-start=\"1137\" data-end=\"1140\"\u003eFront: -1.2 in\u003cbr data-start=\"1154\" data-end=\"1157\"\u003eRear: -1.0 in\u003c\/p\u003e","brand":"Swift","offers":[{"title":"Default Title","offer_id":53493784805683,"sku":null,"price":397.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0256\/5855\/6497\/files\/Capture_2787f709-6b09-45e6-b9a6-7ab9b48926e2.jpg?v=1781563472","url":"https:\/\/www.circuitspecr.com\/products\/swift-spec-r-lowering-springs-honda-civic-si-2012-2015","provider":"Circuit Spec R","version":"1.0","type":"link"}