{"product_id":"eibach-ers-10-00-inch-coilover-spring-2-50-inch-inside-diameter-400-lb-in-rate-eib1000-250-0400s","title":"Eibach ERS 10.00-Inch Coilover Spring, 2.50-Inch Inside Diameter, 400 lb\/in Rate - EIB1000.250.0400S","description":"Renowned for our extensive catalog of over 1,500 precision engineered race springs. Eibach race springs offer unparalled customization and performance optimization across a wide spectrum of racing applications. From shocks to pull-bars we offer a wide range of springs solutions to fine tune the handling dynamics of your race car.\nIndividual Motorsport Spring\n\u003cul\u003e\n  \u003cli\u003eEibach 2.50\" Inside Diameter Coilover Springs Available in a Full Range of Rates and Lengths\u003c\/li\u003e\n  \u003cli\u003eMaximum Travel in Combination with Smallest Block Heights\u003c\/li\u003e\n  \u003cli\u003eLegendary Eibach Off-Road Durability and Performance\u003c\/li\u003e\n  \u003cli\u003eHighest Linearity and Guaranteed Consistency\u003c\/li\u003e\n  \u003cli\u003eEach Spring Individually Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Eibach ERS individual motorsport coilover spring is engineered for race teams and performance enthusiasts who need precise control over suspension tuning. Designed with a 2.50-inch inside diameter and a 400 lb\/in spring rate, this spring supports a broad range of racing applications where predictable handling and consistent suspension response are essential.\u003c\/p\u003e\u003cp\u003eBuilt from Eibach’s extensive motorsport spring development experience, the ERS series combines maximum suspension travel with compact block heights. Its linear spring behavior helps maintain consistent performance throughout the operating range, while Eibach’s manufacturing standards provide dependable durability for demanding track and off-road environments. Each spring is individually tested to help ensure reliable rate consistency from one component to the next.\u003c\/p\u003e\u003cp\u003eThe Eibach ERS spring is suitable for custom coilover setups, race car suspension development, and applications requiring precise adjustment of handling balance. Its universal motorsport design allows fitment across many custom-built and competition vehicles when used with compatible 2.50-inch coilover hardware. Verify spring length, rate, available travel, and vehicle-specific suspension requirements before installation.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eibach\u003c\/li\u003e\n\u003cli\u003ePart Number: EIB1000.250.0400S\u003c\/li\u003e\n\u003cli\u003eSeries: ERS Motorsport\u003c\/li\u003e\n\u003cli\u003eProduct Type: Individual coilover spring\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 2.50 inches\u003c\/li\u003e\n\u003cli\u003eFree Length: 10.00 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 400 lb\/in\u003c\/li\u003e\n\u003cli\u003eApplication: Racing and custom motorsport suspension systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS individual motorsport coilover spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2.50-Inch Coilover Compatibility: Designed for suspension systems using compatible 2.50-inch inside-diameter coilover hardware.\u003c\/li\u003e\n\u003cli\u003e400 lb\/in Spring Rate: Provides a defined, repeatable rate for precise race suspension tuning.\u003c\/li\u003e\n\u003cli\u003eMaximum Suspension Travel: Engineered to support substantial travel while maintaining compact block heights.\u003c\/li\u003e\n\u003cli\u003eConsistent Linear Performance: Individually tested for dependable spring-rate consistency and predictable handling response.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":67579022213372,"sku":"1000.250.0400s","price":114.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b7e7628b-68e4-47ad-b7e1-639325380b54-800_b098f833-4162-464e-83ca-592746977416.jpg?v=1790375095","url":"https:\/\/diycustoms.store\/products\/eibach-ers-10-00-inch-coilover-spring-2-50-inch-inside-diameter-400-lb-in-rate-eib1000-250-0400s","provider":"diycustoms.store","version":"1.0","type":"link"}