{"product_id":"eibach-ers-20-00-in-coilover-spring-3-75-in-inside-diameter-300-lb-in-rate","title":"Eibach ERS 20.00 in. Coilover Spring, 3.75 in. Inside Diameter, 300 lb\/in Rate","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 3.75\" 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 Motorsport Spring is a precision-engineered coilover spring designed for race cars and high-performance suspension applications. Part number EIB2000.375.0300S features a 3.75-inch inside diameter and a 300 lb\/in spring rate, providing a reliable foundation for tuning handling balance, suspension response, and vehicle control.\u003c\/p\u003e\u003cp\u003eBuilt from Eibach’s extensive motorsport spring expertise, this individual race spring is engineered for maximum suspension travel with minimal block height. Its high linearity and consistent performance help deliver predictable handling characteristics throughout the spring’s operating range. Each spring is individually tested to support dependable performance in demanding racing environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrief Description:\u003c\/strong\u003e Individual Eibach ERS coilover spring for motorsport suspension tuning, featuring a 3.75-inch inside diameter, 20.00-inch length, and 300 lb\/in spring rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Precision race spring engineering supports accurate suspension setup and repeatable vehicle behavior.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Maximum travel with minimal block height helps optimize available suspension movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e Eibach off-road durability and performance provide dependable service in demanding racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature:\u003c\/strong\u003e High linearity, guaranteed consistency, and individual spring testing promote predictable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Brand: Eibach\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Part Number: EIB2000.375.0300S\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Product Type: Individual Motorsport Coilover Spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Inside Diameter: 3.75 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Spring Length: 20.00 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Spring Rate: 300 lb\/in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Intended Application: Racing and high-performance suspension systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Construction: Precision-engineered race spring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecification:\u003c\/strong\u003e Testing: Individually tested by Eibach\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One Eibach ERS individual motorsport coilover spring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFitment depends on the vehicle, coilover hardware, spring seats, and suspension configuration. Verify the required inside diameter, spring length, rate, and available travel before installation. This spring is intended for compatible motorsport or performance coilover systems and is not a universal direct-fit replacement for every vehicle.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-engineered Eibach ERS motorsport coilover spring for race and high-performance suspension applications.\u003c\/li\u003e\n\u003cli\u003e3.75-inch inside diameter and 300 lb\/in spring rate support precise suspension tuning.\u003c\/li\u003e\n\u003cli\u003e20.00-inch spring length provides substantial travel potential when matched with compatible coilover hardware.\u003c\/li\u003e\n\u003cli\u003eHigh linearity, consistent performance, and individual testing help ensure 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":67592869642492,"sku":"2000.375.0300S","price":211.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/c32ab80aaba49e244c1f282d27878351L_b2971db4-79f7-4e7e-9981-e08721853a93.jpg?v=1790521122","url":"https:\/\/diycustoms.store\/products\/eibach-ers-20-00-in-coilover-spring-3-75-in-inside-diameter-300-lb-in-rate","provider":"diycustoms.store","version":"1.0","type":"link"}