{"product_id":"eibach-ers-18-00-inch-coilover-spring-3-00-inch-inside-diameter-300-lb-in-rate-part-eib1800-300-0300s","title":"Eibach ERS 18.00-Inch Coilover Spring, 3.00-Inch Inside Diameter, 300 lb\/in Rate – Part EIB1800.300.0300S","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 18.00-Inch Coilover Spring is an individually tested motorsport spring engineered for precise suspension tuning across a wide range of racing applications. Designed with a 3.00-inch inside diameter, this Eibach spring provides reliable compatibility with coilover suspension systems that use the corresponding spring size and configuration.\u003c\/p\u003e\u003cp\u003eBuilt for demanding track and off-road environments, the Eibach ERS spring combines high linearity with consistent performance throughout its operating range. Its design helps maximize suspension travel while maintaining a compact block height, allowing racers and suspension builders to fine-tune handling dynamics with confidence. The spring is manufactured to Eibach standards for durability, repeatable rates, and dependable performance.\u003c\/p\u003e\u003cp\u003eWith an 18.00-inch free length and a 300 lb\/in spring rate, this individual motorsport spring is suited to custom suspension setups where precise load support and predictable response are essential. The Eibach part number EIB1800.300.0300S identifies this specific spring configuration. Always confirm spring rate, free length, inside diameter, and suspension application requirements before installation.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eibach\u003c\/li\u003e\n\u003cli\u003eProduct Line: ERS Individual Motorsport Spring\u003c\/li\u003e\n\u003cli\u003ePart Number: EIB1800.300.0300S\u003c\/li\u003e\n\u003cli\u003eSpring Type: Coilover racing spring\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 3.00 inches\u003c\/li\u003e\n\u003cli\u003eFree Length: 18.00 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 300 lb\/in\u003c\/li\u003e\n\u003cli\u003eQuantity: One individual spring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS coilover spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Universal motorsport application. Vehicle-specific fitment data was not provided; verify compatibility with the coilover body, spring seats, required travel, and suspension setup before use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3.00-inch inside diameter supports compatible coilover suspension systems\u003c\/li\u003e\n\u003cli\u003e300 lb\/in spring rate enables precise suspension tuning for racing applications\u003c\/li\u003e\n\u003cli\u003e18.00-inch free length helps provide extended suspension travel when properly matched to the setup\u003c\/li\u003e\n\u003cli\u003eIndividually tested by Eibach for consistent rate, linear 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: 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":67581309518076,"sku":"1800.300.0300S","price":150.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b7e7628b-68e4-47ad-b7e1-639325380b54-800_c4908055-ec0f-435b-adbd-24c71dd8791d.jpg?v=1790406907","url":"https:\/\/diycustoms.store\/products\/eibach-ers-18-00-inch-coilover-spring-3-00-inch-inside-diameter-300-lb-in-rate-part-eib1800-300-0300s","provider":"diycustoms.store","version":"1.0","type":"link"}