{"product_id":"eibach-ers-12-00-in-length-x-2-50-in-id-coil-over-spring-7","title":"Eibach ERS 12.00 in. Length x 2.50 in. ID Coil-Over Spring","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1200.250.0200\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050113511\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 12.00 in. Length x 2.50 in. ID Coil-Over Spring - 200 lb\/in Rate\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis Eibach ERS coil-over spring measures 12.00 inches in free length with a 2.50-inch inside diameter and delivers a precise 200 lb\/in spring rate for responsive handling in racing and performance applications. It fits universal coilover shocks from brands like QA1, Bilstein, and Fox where 2.5-inch ID springs are specified. Expect reliable deflection under load with no permanent set up to 900 lbs.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Rate:\u003c\/strong\u003e 200 lb\/in with +\/- 5% tolerance for predictable suspension response across 25% deflection (50 lbs), 50% (100 lbs), and full travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.00 in. free height, 2.50 in. ID, 3.43 in. OD, 0.854 in. wire diameter, 1.64 in. block height fits standard coilover assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-tensile chrome silicon steel provides fatigue resistance for endurance racing and repeated high-load cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Shot-peened, preset, and scragged during manufacturing ensures flat seating and stand not to exceed 5 degrees under load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad Capacity:\u003c\/strong\u003e Handles up to 900 lbs before permanent set, ideal for drag, road course, or street performance coilover setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eVerify shock body diameter and travel match spring dimensions before installation.\u003c\/li\u003e\n\u003cli\u003ePowder-coated black finish resists corrosion; clean with mild soap after track use.\u003c\/li\u003e\n\u003cli\u003eSingle spring ships ready for immediate coilover assembly.\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\u003eLubricate threads and ensure spring seats fully on collars without binding.\u003c\/li\u003e\n\u003cli\u003eCompatible with adjustable coilover perches and 2.5 in. ID shock bodies; torque per shock manufacturer specs.\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 Shocks\u003c\/td\u003e\n\u003ctd\u003e2.5\" ID Compatible\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\u003eRace-proven in World Challenge, NASA, and drag series with championship wins.\u003c\/li\u003e\n\u003cli\u003eMade in Germany with tight tolerances for repeatable performance.\u003c\/li\u003e\n\u003cli\u003eEngineered for high-cycle durability in motorsports environments.\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 Will this spring fit my specific coilover shock?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed for universal use on 2.5 in. ID coilover shocks; confirm free height 12 in., rate 200 lb\/in, and max OD clearance under 3.5 in. for your setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and finish does it have?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Built from high-tensile chrome silicon steel, heat-treated, shot-peened, and powder-coated black for corrosion resistance and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and return policy?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Backed by Eibach limited lifetime warranty against manufacturing defects when installed correctly; contact for returns within 30 days.\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 or FedEx 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 Cardboard box dimensions 12.5 x 3.5 x 3.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.30 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":41008727883855,"sku":"EIB1200.250.0200","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/products\/eibach-ers-12_00-in_-length-x-2_50-in_-id-coil-over-spring-eibach_367c2618.jpg?v=1766042152","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-12-00-in-length-x-2-50-in-id-coil-over-spring-7","provider":"Black Ops Auto Works","version":"1.0","type":"link"}