{"product_id":"eibach-ers-12-00-in-length-x-3-00-in-id-coil-over-spring-1","title":"Eibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1200.300.0200S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050287953\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring - 200 lb\/in Rate\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEibach ERS 12.00 in. length x 3.00 in. ID coil-over spring features a 200 lb\/in linear rate for custom coilover applications on performance vehicles. This universal spring fits standard 3-inch coilover struts used in road racing, autocross, and street setups. It provides firm ride control with consistent spring action load after load.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Silicon Steel:\u003c\/strong\u003e High-tensile CR Si 3.3 VSi material heat-treated for fatigue resistance and repeated high-stress cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot-Peened \u0026amp; Preset:\u003c\/strong\u003e Process eliminates initial sag, ensures stable ride height, and extends service life in demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Tolerances:\u003c\/strong\u003e Computer-controlled grinding for exact 3.00 in. ID, 12.00 in. free height, and 200 lb\/in rate to match coilover components perfectly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Powder Coat:\u003c\/strong\u003e Durable corrosion-resistant finish protects against road salt, moisture, and maintains spring performance over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Direct fit for most 3 in. coilover bodies in drag, drift, rally, or lowered street suspension systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify spring rate, ID, and length match your shock absorber and perch setup before installation.\u003c\/li\u003e\n\u003cli\u003eSold as single spring; order quantities needed for front\/rear pairs.\u003c\/li\u003e\n\u003cli\u003eBox dimensions 12.8 x 3.9 x 3.9 in.; secure packaging prevents shipping damage.\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\u003eUse spring compressor tool rated for 3 in. ID coil-over springs; align properly on lower perch.\u003c\/li\u003e\n\u003cli\u003eCompatible with Eibach Pro-Street coilovers, QA1, Bilstein, and other 3 in. ID strut housings; check block height around 8 in.\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 Systems\u003c\/td\u003e\n\u003ctd\u003e3.00 in. ID Struts\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\u003eProven in professional motorsports with championships across series like Formula Drift and NASA.\u003c\/li\u003e\n\u003cli\u003eStrict manufacturing standards with 100% load testing for reliability.\u003c\/li\u003e\n\u003cli\u003eEngineered in Germany with U.S. assembly for consistent quality worldwide.\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 Does this spring fit specific coilover brands?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, designed for universal use in 3.00 in. ID coilover struts from Eibach, Strange, AFCO, Penske, and similar; confirm free length and rate compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the construction material and finish?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Made from premium chrome silicon steel, shot-peened, double-scragged, preset, with silver epoxy powder coat for rust protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty against manufacturing defects in materials or workmanship when installed and used properly.\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 UPS 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 Secure cardboard box, 12.8 x 3.9 x 3.9 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.3 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":41008728014927,"sku":"EIB1200.300.0200S","price":92.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/eibach-ers-12_00-in_-length-x-3_00-in_-id-coil-over-spring-eibach.jpg?v=1766042166","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-12-00-in-length-x-3-00-in-id-coil-over-spring-1","provider":"Black Ops Auto Works","version":"1.0","type":"link"}