{"product_id":"eibach-ers-12-00-in-length-x-3-00-in-id-coil-over-spring-4","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\"\u003e1200.300.0650S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050482983\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 12.00 in. Length x 3.00 in. ID Coil-Over Spring - 650 lb\/in Rate\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEibach ERS coil-over springs deliver consistent performance for race and street applications. This 12.00 in. free length spring with 3.00 in. inside diameter fits custom coilover struts in drag racing, road racing, and autocross vehicles. The 650 lb\/in rate provides firm support for high-load handling and precise control.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Spring Rate:\u003c\/strong\u003e 650 lb\/in rate handles heavy loads up to 1732 lbs block load for stable cornering and launch control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Dimensions:\u003c\/strong\u003e 12.00 in. (305 mm) free length and 3.00 in. (76 mm) ID ensure drop-in compatibility with most adjustable coilover systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Silicon Steel:\u003c\/strong\u003e High-tensile material resists fatigue for repeated high-stress cycles in competition use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Powder Coat Finish:\u003c\/strong\u003e Protects against corrosion in harsh racing environments while maintaining consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSquared Ground Ends:\u003c\/strong\u003e Flat, ground ends promote even seating on perches for accurate height adjustment and load distribution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eShot-peened and preset construction minimizes initial sag under preload.\u003c\/li\u003e\n\u003cli\u003eDouble-tempered for long-term rate retention in extreme conditions.\u003c\/li\u003e\n\u003cli\u003eShips in protective sleeve; inspect ends for proper orientation during install.\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\u003eMatch with coilover shocks rated for 3.00 in. ID springs and 650 lb\/in minimum.\u003c\/li\u003e\n\u003cli\u003eUse OEM or aftermarket perches compatible with 76 mm ID; torque to 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 Equipped Vehicles\u003c\/td\u003e\n\u003ctd\u003e3.00 in. ID Struts\/Shocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eCustom\u003c\/td\u003e\n\u003ctd\u003eDrag\/Road Race Builds\u003c\/td\u003e\n\u003ctd\u003e650 lb\/in 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\u003eDecades of motorsport experience with springs in Formula, NASCAR, and rally.\u003c\/li\u003e\n\u003cli\u003eWinders use computer-controlled CNC for exact rate and tolerance control.\u003c\/li\u003e\n\u003cli\u003eEach spring tested for load consistency before shipping.\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, designed for any coilover strut or shock with 3.00 in. (76 mm) ID accepting 12.00 in. length; verify perch compatibility and rate matching.\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; ideal for track and street exposure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Eibach offers limited warranty against manufacturing defects and sagging when used in approved applications; register product for coverage.\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 \/ 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, box dimensions 13 x 4 x 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 6.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":41029139202127,"sku":"EIB1200.300.0650S","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_8a697a74.jpg?v=1766042339","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-12-00-in-length-x-3-00-in-id-coil-over-spring-4","provider":"Black Ops Auto Works","version":"1.0","type":"link"}