{"product_id":"eibach-ers-10-00-inch-l-x-3-0-inch-dia-x-300-lbs-coil-over-spring","title":"Eibach ERS 10.00 inch L x 3.0 inch dia x 300 lbs Coil Over Spring","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1000.300.0300S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050317186\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 10.00 inch L x 3.0 inch dia x 300 lbs Coil Over Spring\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Eibach ERS 10.00 inch L x 3.0 inch dia x 300 lbs Coil Over Spring delivers precise suspension control for racing coilover systems. Designed for universal fit in drag racing, circle track, road course, and off-road applications requiring 3.0-inch diameter springs. Engineered for consistent rates and load handling in high-stress environments.\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 material withstands extreme racing conditions for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot Peened Process:\u003c\/strong\u003e Reduces internal stresses, enhancing fatigue resistance and spring life under repeated impacts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Winding:\u003c\/strong\u003e Ensures exact 300 lbs\/in rate tolerance of +\/-2% for repeatable handling and setup consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Ground Ends:\u003c\/strong\u003e Square and ground flat for secure, wobble-free seating on coilover perches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Powder Coat Finish:\u003c\/strong\u003e Provides corrosion resistance in harsh trackside or off-road environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm coilover shock inner diameter matches 2.65-2.75in for proper fit before installation.\u003c\/li\u003e\n\u003cli\u003eAvoid extreme side loading; designed for vertical suspension applications only.\u003c\/li\u003e\n\u003cli\u003eShips in protective packaging via standard ground service.\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\u003ePreload spring to 50-70% of free length during assembly for optimal rate engagement.\u003c\/li\u003e\n\u003cli\u003eCompatible with most adjustable coilover bodies like Penske, Ohlins, Bilstein using standard hardware.\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\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eCoilover Systems\u003c\/td\u003e\n\u003ctd\u003eDrag Racing \/ Circle Track \/ Road Race \/ Off-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eCoilover Shocks\u003c\/td\u003e\n\u003ctd\u003e3.0in Dia Applications\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 World Challenge, NHRA, and Formula Drift championships.\u003c\/li\u003e\n\u003cli\u003eManufactured with +\/-1% rate accuracy in California facilities.\u003c\/li\u003e\n\u003cli\u003eOver 45 years of suspension engineering expertise.\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 Universal design fits most 3.0in diameter coilover shocks from QA1, AFCO, Bilstein, and others with matching ID; measure shock body before purchase.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used and does it rust?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Premium chrome silicon steel with silver powder coat finish resists corrosion in damp pit areas or off-road use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation requirement?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against manufacturing defects; professional alignment recommended post-install for track safety.\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 Cardboard tube\/box, 11 x 4 x 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.85 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":39715161309263,"sku":"EIB1000.300.0300S","price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-10_00-inch-l-x-3_0-inch-dia-x-300-lbs-coil-over-spring-eibach.jpg?v=1766039701","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-10-00-inch-l-x-3-0-inch-dia-x-300-lbs-coil-over-spring","provider":"Black Ops Auto Works","version":"1.0","type":"link"}