{"product_id":"eibach-ers-4-00-in-length-x-3-00-in-id-coil-over-spring-eib-0400-300-0250s","title":"Eibach ERS 4.00 in. Length x 3.00 in. ID Coil-Over Spring – EIB 0400.300.0250S","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 3.00\" 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 Spring is engineered for race teams and performance enthusiasts who need precise suspension tuning. Designed with a 3.00-inch inside diameter and a 4.00-inch length, this coil-over spring supports a wide range of motorsport applications where consistent handling and predictable suspension response are essential.\u003c\/p\u003e\u003cp\u003ePart of Eibach’s extensive race spring catalog, this spring is manufactured to deliver maximum travel with minimal block height. Its proven off-road durability and high linearity help maintain consistent performance throughout demanding driving conditions. Every spring is individually tested to support dependable rate consistency and accurate suspension setup. The Eibach ERS spring is an excellent choice for customizing handling dynamics across a broad range of racing and competition vehicles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eibach\u003c\/li\u003e\n\u003cli\u003eSeries: ERS Individual Motorsport Spring\u003c\/li\u003e\n\u003cli\u003ePart Number: EIB 0400.300.0250S\u003c\/li\u003e\n\u003cli\u003eSpring Type: Coil-over race spring\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eFree Length: 4.00 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 250 lb\/in\u003c\/li\u003e\n\u003cli\u003eApplication: Motorsport, racing, and performance suspension tuning\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS Individual Motorsport Coil-Over Spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFitment is application-specific and may vary based on the vehicle, suspension configuration, spring perch, and intended racing setup. Confirm compatibility with the vehicle manufacturer’s specifications and suspension requirements before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3.00-inch inside diameter supports compatible coil-over suspension systems and race applications.\u003c\/li\u003e\n\u003cli\u003e4.00-inch free length provides a compact spring solution for performance suspension setups.\u003c\/li\u003e\n\u003cli\u003e250 lb\/in spring rate enables precise suspension tuning for handling and vehicle balance.\u003c\/li\u003e\n\u003cli\u003eIndividually tested by Eibach for high linearity, dependable consistency, and repeatable performance.\u003c\/li\u003e\n\u003cli\u003eMaximum travel with minimal block height helps optimize available suspension movement.\u003c\/li\u003e\n\u003cli\u003eLegendary Eibach durability supports demanding off-road and motorsport environments.\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered design allows customization across a broad range of racing applications.\u003c\/li\u003e\n\u003cli\u003eManufactured for use with compatible coil-over systems, shocks, pull-bars, and other suspension components.\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: false\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":67581521592572,"sku":"0400.300.0250S","price":120.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/25d6bed76a290e07e259e5b48ee06a11L_0c3e5ac6-390c-4251-9fa0-0dcbd561d38a.jpg?v=1790408256","url":"https:\/\/diycustoms.store\/products\/eibach-ers-4-00-in-length-x-3-00-in-id-coil-over-spring-eib-0400-300-0250s","provider":"diycustoms.store","version":"1.0","type":"link"}