{"product_id":"eibach-ers-4-00-inch-coilover-spring-3-00-inch-inside-diameter-300-lb-in-rate","title":"Eibach ERS 4.00-Inch Coilover Spring, 3.00-Inch 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 3.00\" 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 vehicles requiring precise suspension tuning and dependable performance. This coilover spring features a 3.00-inch inside diameter, a 4.00-inch free length, and a 300 lb\/in spring rate for controlled wheel movement and predictable handling response. Its compact design supports maximum suspension travel while minimizing block height in compatible coilover applications.\u003c\/p\u003e\u003cp\u003eBuilt from Eibach's extensive motorsport spring experience, this spring delivers high linearity and consistent performance across demanding racing conditions. Each spring is individually tested to help ensure dependable rate accuracy and repeatable suspension behavior. The spring's proven off-road durability also makes it suitable for competition vehicles exposed to challenging operating environments.\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\u003ePart Number: EIB0400.300.0300S\u003c\/li\u003e\n\u003cli\u003eProduct Type: Individual motorsport coilover 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: 300 lb\/in\u003c\/li\u003e\n\u003cli\u003eApplication: Racing and motorsport suspension systems\u003c\/li\u003e\n\u003cli\u003eQuantity: One spring\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 coilover spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFitment depends on the vehicle's coilover hardware, spring seats, available travel, and required suspension rate. Verify compatibility with the vehicle and suspension manufacturer before installation. Professional setup and alignment are recommended when changing spring rates or suspension components.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3.00-inch inside diameter supports compatibility with many motorsport coilover systems.\u003c\/li\u003e\n\u003cli\u003e300 lb\/in spring rate provides controlled suspension response for race-oriented applications.\u003c\/li\u003e\n\u003cli\u003e4.00-inch free length helps maximize suspension travel while maintaining a compact setup.\u003c\/li\u003e\n\u003cli\u003eIndividually tested by Eibach for high linearity, consistent performance, and dependable durability.\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":67581475553532,"sku":"0400.300.0300S","price":120.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/25d6bed76a290e07e259e5b48ee06a11L_18ba3b27-ef2b-4cbc-94de-55c698ba8146.jpg?v=1790407913","url":"https:\/\/diycustoms.store\/products\/eibach-ers-4-00-inch-coilover-spring-3-00-inch-inside-diameter-300-lb-in-rate","provider":"diycustoms.store","version":"1.0","type":"link"}