{"product_id":"eibach-ers-eib1800-375-0300s-18-inch-coilover-spring-3-75-inch-inside-diameter","title":"Eibach ERS EIB1800.375.0300S 18-Inch Coilover Spring, 3.75-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 3.75\" 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 EIB1800.375.0300S Individual Motorsport Spring is designed for racing applications that require precise suspension tuning and dependable performance. Eibach’s extensive race spring catalog supports a wide range of motorsport setups, allowing drivers and builders to optimize handling dynamics through carefully selected spring rates and lengths.\u003c\/p\u003e\u003cp\u003eThis coilover spring features a 3.75-inch inside diameter and an 18-inch free length, making it suitable for compatible race suspension systems and applications requiring maximum available travel with minimal block height. Each Eibach spring is individually tested to support consistent performance, linear response, and reliable handling characteristics. The spring is engineered with Eibach’s proven off-road durability and motorsport-focused construction for demanding racing 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: EIB1800.375.0300S\u003c\/li\u003e\n\u003cli\u003eProduct Type: Individual motorsport coilover spring\u003c\/li\u003e\n\u003cli\u003eSpring Family: Eibach ERS\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 3.75 inches\u003c\/li\u003e\n\u003cli\u003eFree Length: 18 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 300 lb\/in\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 individual motorsport coilover spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFitment depends on the vehicle, coilover system, spring perch, and suspension configuration. Verify compatibility with the applicable racing suspension manufacturer and confirm the required spring rate, length, and inside diameter before installation. This product is intended for compatible automotive motorsport applications and is not supplied as a complete coilover assembly.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision Race Tuning: Provides a 300 lb\/in spring rate for controlled suspension tuning in demanding motorsport applications.\u003c\/li\u003e\n\u003cli\u003e3.75-Inch Inside Diameter: Designed for compatible coilover systems using a 3.75-inch spring platform.\u003c\/li\u003e\n\u003cli\u003eMaximum Suspension Travel: The spring design supports maximum travel while maintaining a minimal block height.\u003c\/li\u003e\n\u003cli\u003eIndividually Tested: Every spring is tested by Eibach to promote linearity, consistency, and dependable performance.\u003c\/li\u003e\n\u003cli\u003eMotorsport Durability: Built with Eibach’s proven engineering for demanding race and off-road environments.\u003c\/li\u003e\n\u003cli\u003e18-Inch Free Length: Offers an extended spring length for compatible suspension configurations and tuning requirements.\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":67578969161980,"sku":"1800.375.0300S","price":190.66,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/3a3fcbf25e4dcbf9017422e76b1d2295L_77c688f8-397b-4ab3-8606-d37dd22b1636.jpg?v=1790373442","url":"https:\/\/diycustoms.store\/products\/eibach-ers-eib1800-375-0300s-18-inch-coilover-spring-3-75-inch-inside-diameter","provider":"diycustoms.store","version":"1.0","type":"link"}