{"product_id":"eibach-ers-18-00-inch-coilover-spring-3-00-inch-inside-diameter-800-lb-in-rate-eib1800-300-0800s","title":"Eibach ERS 18.00-Inch Coilover Spring, 3.00-Inch Inside Diameter, 800 lb\/in Rate – EIB1800.300.0800S","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 Motorsport Spring is a precision-engineered coilover spring designed for racers and performance enthusiasts who need reliable, consistent suspension tuning. This individual spring features an 18.00-inch free length, a 3.00-inch inside diameter, and an 800 lb\/in spring rate for applications requiring controlled suspension response and predictable handling characteristics.\u003c\/p\u003e\u003cp\u003eBuilt from Eibach’s extensive motorsport spring experience, the ERS series supports precise chassis setup across a wide range of racing applications. Its design provides maximum suspension travel while maintaining compact block heights, helping optimize available suspension movement without compromising spring performance. The spring is engineered for high linearity and dependable rate consistency, allowing suspension changes to produce repeatable results on the track.\u003c\/p\u003e\u003cp\u003eEach Eibach spring is individually tested to help ensure quality and consistency. The legendary Eibach off-road durability and performance make this spring suitable for demanding motorsport environments, including applications using compatible coilover shock assemblies and other race suspension components. This is a single replacement or tuning spring and should be selected based on the vehicle’s suspension design, installed height, target wheel rate, and racing requirements. Verify fitment and spring specifications with the vehicle or shock manufacturer before installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One Eibach ERS individual motorsport coilover spring.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Universal motorsport fitment for compatible 3.00-inch inside diameter coilover systems. Vehicle-specific fitment is not provided; confirm compatibility with the suspension manufacturer and intended racing application.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3.00-inch inside diameter: Designed for compatible coilover shock and spring platforms using a 3.00-inch spring seat.\u003c\/li\u003e\n\u003cli\u003e800 lb\/in spring rate: Provides firm, controlled suspension support for performance and racing applications.\u003c\/li\u003e\n\u003cli\u003e18.00-inch free length: Supports suspension tuning when matched to the correct installed height and travel requirements.\u003c\/li\u003e\n\u003cli\u003eMotorsport-grade consistency: Individually tested by Eibach for dependable linearity, repeatable performance, and long-term 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: 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":67581357621500,"sku":"1800.300.0800S","price":150.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b7e7628b-68e4-47ad-b7e1-639325380b54-800_2cba7eef-402f-4e3c-8a4f-5c86d33efd3c.jpg?v=1790407202","url":"https:\/\/diycustoms.store\/products\/eibach-ers-18-00-inch-coilover-spring-3-00-inch-inside-diameter-800-lb-in-rate-eib1800-300-0800s","provider":"diycustoms.store","version":"1.0","type":"link"}