{"product_id":"eibach-ers-eib1200-300-0400s-12-inch-coilover-race-spring-3-inch-inside-diameter","title":"Eibach ERS EIB1200.300.0400S 12-Inch Coilover Race Spring, 3-Inch Inside Diameter","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 EIB1200.300.0400S individual motorsport spring is engineered for race vehicles that require precise suspension tuning and repeatable performance. Designed with a 3-inch inside diameter and a 12-inch free length, this coilover spring provides a dependable foundation for optimizing handling balance, suspension response, and vehicle dynamics across a wide range of racing applications.\u003c\/p\u003e\u003cp\u003eAs part of Eibach’s extensive catalog of precision-engineered race springs, the ERS series is built for maximum travel with minimal block height. Its carefully controlled spring characteristics support linear, predictable operation, while each spring is individually tested to help ensure consistent performance from one component to the next. The spring is also backed by Eibach’s established off-road durability and motorsport expertise.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrief Description:\u003c\/strong\u003e Individual Eibach ERS coilover race spring for motorsport suspension applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One Eibach ERS coilover spring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Intended for race and competition vehicles using compatible 3-inch inside-diameter coilover hardware. Verify spring rate, free length, and suspension compatibility before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Eibach\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e EIB1200.300.0400S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Motorsport coilover spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Series:\u003c\/strong\u003e ERS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter:\u003c\/strong\u003e 3 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Length:\u003c\/strong\u003e 12 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Automotive racing and performance suspension\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction Focus:\u003c\/strong\u003e Linear performance, repeatability, and durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3-inch inside diameter coilover spring designed for compatible racing suspension systems\u003c\/li\u003e\n\u003cli\u003e12-inch free length supports precise suspension setup and tuning flexibility\u003c\/li\u003e\n\u003cli\u003eMaximizes suspension travel while maintaining a compact block height\u003c\/li\u003e\n\u003cli\u003eEibach motorsport construction delivers durable performance in demanding racing environments\u003c\/li\u003e\n\u003cli\u003eHigh linearity promotes predictable handling and suspension response\u003c\/li\u003e\n\u003cli\u003eIndividually tested to help ensure consistent spring performance\u003c\/li\u003e\n\u003cli\u003eAvailable in a broad range of Eibach spring rates and lengths for customized vehicle setup\u003c\/li\u003e\n\u003cli\u003eSuitable for competition vehicles using compatible coilover 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: 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":67579532738812,"sku":"1200.300.0400S","price":141.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b7e7628b-68e4-47ad-b7e1-639325380b54-800_fdaf4eab-02af-4e48-b2d1-1b0bdd1fdc66.jpg?v=1790390103","url":"https:\/\/diycustoms.store\/products\/eibach-ers-eib1200-300-0400s-12-inch-coilover-race-spring-3-inch-inside-diameter","provider":"diycustoms.store","version":"1.0","type":"link"}