{"product_id":"eibach-ers-9-00-inch-l-x-2-25-inch-dia-x-500-lbs-coil-over-spring-single-spring","title":"Eibach ERS 9.00 inch L x 2.25 inch dia x 500 lbs Coil Over Spring (single spring)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e0900.225.0500\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050110336\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 9.00 inch L x 2.25 inch dia x 500 lbs Coil Over Spring (single spring)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Eibach ERS coilover spring measures 9.00 inches in free length with a 2.25-inch diameter and 500 lbs per inch spring rate, designed for universal coilover shock and strut applications in drag racing, street rods, and stock cars. This single spring delivers consistent damping control and responsive handling in high-demand performance setups. Engineered for reliability under extreme conditions, it maintains shape and rate over repeated use.\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 resists fatigue for extended service life in racing environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot Peened Finish:\u003c\/strong\u003e Increases surface strength to handle high stress and impacts without deformation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreset \u0026amp; Stress Relieved:\u003c\/strong\u003e Eliminates initial sag, ensuring accurate installed height and rate from the start.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquared \u0026amp; Ground Ends:\u003c\/strong\u003e Provides full seat contact on perches for stable, noise-free operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise 500 lb\/in Rate:\u003c\/strong\u003e Delivers firm ride control ideal for lowered vehicles and track use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as single spring; pair recommended for most applications.\u003c\/li\u003e\n\u003cli\u003eInspect regularly for wear in competition use.\u003c\/li\u003e\n\u003cli\u003eCompact packaging ships via 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\u003eVerify shock\/strut outer diameter exceeds 2.25 inches for proper fit.\u003c\/li\u003e\n\u003cli\u003eCompatible with standard ERS perches and most aftermarket coilover 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\u003eAll\u003c\/td\u003e\n\u003ctd\u003eCoilover Shocks\/Struts\u003c\/td\u003e\n\u003ctd\u003eDrag\/Street\/Track\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 racing series worldwide.\u003c\/li\u003e\n\u003cli\u003eConsistent manufacturing tolerances for repeatable performance.\u003c\/li\u003e\n\u003cli\u003eGerman precision engineering tailored for motorsport demands.\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 vehicles?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Universal design fits most coilover shocks and struts from QA1, AFCO, Bilstein, and others used in drag cars, muscle cars, and imports.\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 Made from chrome silicon steel with shot-peened surface and black oxide finish for corrosion resistance and longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation process?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Backed by Eibach limited lifetime warranty against manufacturing defects; requires spring compressor tool and perch alignment during install.\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 \/ USPS\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 cardboard tube, 10\" L x 3\" W x 3\" H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":40727081484367,"sku":"EIB0900.225.0500","price":72.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-9_00-inch-l-x-2_25-inch-dia-x-500-lbs-coil-over-spring-single-spring-eibach.jpg?v=1766041667","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-9-00-inch-l-x-2-25-inch-dia-x-500-lbs-coil-over-spring-single-spring","provider":"Black Ops Auto Works","version":"1.0","type":"link"}