{"product_id":"eibach-ers-4-00in-l-x-3-00in-id-coil-over-spring","title":"Eibach ERS 4.00in L x 3.00in ID Coil-Over Spring","description":"\u003cp\u003eThe \u003cstrong\u003eEibach ERS 4.00in L x 3.00in ID Coil-Over Spring\u003c\/strong\u003e is a precision-wound linear main spring for off-road racing coilover setups. Part of Eibach's Race Spring System (ERS), each spring is manufactured to tight tolerances for a consistent, repeatable rate. Select your spring rate below.\u003c\/p\u003e\n\u003ch4\u003eWhy Choose Eibach ERS Coil-Over Springs?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-wound rate\u003c\/strong\u003e – Consistent, repeatable spring rate for predictable tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-performance material\u003c\/strong\u003e – Built from Eibach's proprietary high-tensile spring steel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOff-road ready\u003c\/strong\u003e – Sized for 3.00in ID off-road racing coilover applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal coilover fitment\u003c\/strong\u003e – 4.00in free length and 3.00in inside diameter to suit a wide range of coilover applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eChoose Your Spring Rate\u003c\/h5\u003e\n\u003cp\u003eAvailable in rates from \u003cstrong\u003e250 lbs\/in to 650 lbs\/in\u003c\/strong\u003e. Select the rate that matches your suspension tuning needs from the dropdown.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Length:\u003c\/strong\u003e 4.00in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 3.00in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Rates:\u003c\/strong\u003e 250–650 lbs\/in\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQuestions? We're Here to Help.\u003c\/h5\u003e\n\u003cp\u003eHave questions about which spring rate is right for your setup? Contact FASS Motorsports and we'll get you dialed:\u003c\/p\u003e\n\u003cp\u003ePhone: \u003cstrong\u003e636-429-7020\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEmail: \u003cstrong\u003einfo@fassmotorsports.com\u003c\/strong\u003e\u003c\/p\u003e","brand":"Eibach","offers":[{"title":"250 lbs\/in","offer_id":44606084317226,"sku":"EIB0400.300.0250S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"300 lbs\/in","offer_id":44606084349994,"sku":"EIB0400.300.0300S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"350 lbs\/in","offer_id":44606084382762,"sku":"EIB0400.300.0350S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"400 lbs\/in","offer_id":44606084415530,"sku":"EIB0400.300.0400S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"450 lbs\/in","offer_id":44606084448298,"sku":"EIB0400.300.0450S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"500 lbs\/in","offer_id":44606084481066,"sku":"EIB0400.300.0500S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"550 lbs\/in","offer_id":44606084513834,"sku":"EIB0400.300.0550S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"600 lbs\/in","offer_id":44606084546602,"sku":"EIB0400.300.0600S","price":90.02,"currency_code":"USD","in_stock":true},{"title":"650 lbs\/in","offer_id":44606084579370,"sku":"EIB0400.300.0650S","price":90.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0584\/8305\/products\/fe63c513f88fef83bccffd0ac7493eae.jpg?v=1707706532","url":"https:\/\/fassmotorsports.com\/products\/eibach-ers-4-00in-l-x-3-00in-id-coil-over-spring","provider":"FASS Motorsports","version":"1.0","type":"link"}