{"product_id":"eibach-ers-12-00-inch-l-x-2-50-inch-dia-x-450-lbs-coil-over-spring","title":"Eibach ERS 12.00 inch L x 2.50 inch dia x 450 lbs Coil Over Spring","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1200.250.0450\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050113719\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 12.00 inch L x 2.50 inch dia x 450 lbs Coil Over Spring\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis Eibach ERS coilover spring measures 12.00 inches in length with a 2.50 inch diameter and 450 lbs per inch spring rate, designed for racing and high-performance coilover setups. It fits most coilover shocks and struts requiring a 2.5 inch inner diameter spring, including popular brands like QA1, Bilstein, and Penske. Provides consistent linear performance with industry-leading rate accuracy for improved handling and control.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Dimensions:\u003c\/strong\u003e 12.00 inch free length x 2.50 inch diameter ensures compatibility with standard 2.5 inch coilover bodies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e450 lb\/in Spring Rate:\u003c\/strong\u003e Delivers firm response for track and drag applications with repeatable force.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinear Spring Characteristics:\u003c\/strong\u003e Engineered for the straightest rate curve through full travel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Production Build:\u003c\/strong\u003e Manufactured in high-volume runs leveraging decades of spring-making expertise for consistency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRate Accuracy:\u003c\/strong\u003e Holds ±1% tolerance on rate, with shot-peened chrome-silicon steel construction and black oxide finish.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as single springs; color-coded bands indicate 450 lb\/in rate for quick identification.\u003c\/li\u003e\n\u003cli\u003ePreset during manufacturing to minimize sagging over time.\u003c\/li\u003e\n\u003cli\u003ePackaged in protective tube; weighs 5.65 lbs net.\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\u003eConfirm coilover inner diameter matches 2.50 inches and free length accommodates 12.00 inches.\u003c\/li\u003e\n\u003cli\u003eCompatible with most adjustable coilover hardware; use thread-in or live mount styles.\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\u003e-\u003c\/td\u003e\n\u003ctd\u003eCoilover Shocks\/Struts\u003c\/td\u003e\n\u003ctd\u003e2.5\" ID Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eRacing\u003c\/td\u003e\n\u003ctd\u003eDrag\/Track Cars\u003c\/td\u003e\n\u003ctd\u003e450 lb Rate Needs\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\u003eEibach ERS sets the standard as the most prominent race spring system worldwide.\u003c\/li\u003e\n\u003cli\u003eDelivers linear rates with the lowest production tolerances available.\u003c\/li\u003e\n\u003cli\u003eBacked by extensive manufacturing know-how in high-repeatability series production.\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 coilover setup?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, it fits any coilover requiring a 2.50 inch ID, 12.00 inch length spring at 450 lb\/in rate, common in dragsters, road racers, and custom builds.\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 high-tensile chrome-silicon steel, shot-peened for fatigue resistance, preset, and finished with black oxide coating.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage is provided?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Covered by Eibach's limited lifetime warranty against manufacturing defects under normal racing use.\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 Protective cardboard tube, 13 x 3 x 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.65 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":42115948773455,"sku":"EIB1200.250.0450","price":73.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-12_00-inch-l-x-2_50-inch-dia-x-450-lbs-coil-over-spring-eibach.jpg?v=1766042774","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-12-00-inch-l-x-2-50-inch-dia-x-450-lbs-coil-over-spring","provider":"Black Ops Auto Works","version":"1.0","type":"link"}