{"product_id":"eibach-ers-14-00-in-length-x-2-50-in-id-coil-over-spring-20","title":"Eibach ERS 14.00 in. Length x 2.50 in. ID Coil-Over Spring","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1400.250.0300S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050289223\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 14.00 in. Length x 2.50 in. ID Coil-Over Spring - 300 lb\/in Rate\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEibach ERS coil-over spring offers 14.00-inch free length, 2.50-inch inside diameter, and 300 lb\/in spring rate for precise suspension control. Designed for universal fit in aftermarket coilover struts from QA1, Bilstein, Koni, and similar 2.50-inch OD shocks. Delivers consistent linear response and fatigue resistance for drag racing, autocross, and street performance builds.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 lb\/in Spring Rate:\u003c\/strong\u003e Firm progression suits high-performance setups needing sharp handling and stability under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14.00 in. Free Length x 2.50 in. ID:\u003c\/strong\u003e Matches common coilover strut dimensions; outside diameter 3.37 in. for broad compatibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Silicon Steel Alloy:\u003c\/strong\u003e High-tensile material resists sagging and maintains rate through repeated cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot-Peened \u0026amp; Stress-Relieved:\u003c\/strong\u003e Increases surface strength by 200%, extends service life in demanding motorsport conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Stage Silver Powder Coat:\u003c\/strong\u003e Provides corrosion resistance with nitrogen infusion retention for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold individually; pair recommended for axle replacement.\u003c\/li\u003e\n\u003cli\u003eInspect for proper seating and preload during assembly.\u003c\/li\u003e\n\u003cli\u003eStandard ground shipping; handles LTL freight if required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eMatch spring ID to strut\/shock OD; use rubber isolators or perches if needed.\u003c\/li\u003e\n\u003cli\u003eTorque hardware to manufacturer specs; cycle suspension post-install.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eCoilover Strut Vehicles\u003c\/td\u003e\n\u003ctd\u003e2.50 in. OD Shocks (QA1, Bilstein, Koni, Fox, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979-1993\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eMustang\u003c\/td\u003e\n\u003ctd\u003eFox Body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1998\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003e3 Series\u003c\/td\u003e\n\u003ctd\u003eE36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1993-2002\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Eibach?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMotorsport-proven in NHRA, Formula Drift, and SCCA events.\u003c\/li\u003e\n\u003cli\u003eManufactured with tolerances under 1% for repeatable performance.\u003c\/li\u003e\n\u003cli\u003eGerman engineering focuses on exact rates and durability testing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What vehicles or shocks does this spring fit?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Universal for 2.50 in. OD coilover shocks including QA1 Proma Star, Bilstein B6\/B8, Koni Sport, and custom setups on Mustangs, Camaros, BMWs, Subarus, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and finish are used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Chromium-silicon high-tensile steel alloy, shot-peened, preset, and finished with dual-stage silver powder coat for rust protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation details?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty against defects and sagging; professional install advised with spring compressor tool and compatible perches.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e Standard ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective box, 15 in. L x 4 in. W x 4 in. H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.00 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":39715169173583,"sku":"EIB1400.250.0300S","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-14_00-in_-length-x-2_50-in_-id-coil-over-spring-eibach_15af1d2b.jpg?v=1766039766","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-14-00-in-length-x-2-50-in-id-coil-over-spring-20","provider":"Black Ops Auto Works","version":"1.0","type":"link"}