{"product_id":"eibach-ers-3-75-inch-id-coilover-spring-400-lb-in-rate-4-inch-length","title":"Eibach ERS 3.75-Inch ID Coilover Spring, 400 lb\/in Rate, 4-Inch Length","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 Individual Motorsport Spring is engineered for racing applications that demand precise suspension tuning and dependable performance. This coilover spring features a 3.75-inch inside diameter and a 400 lb\/in spring rate, providing a consistent foundation for optimizing vehicle handling, balance, and suspension response.\u003c\/p\u003e\u003cp\u003eDesigned for motorsport coilover systems, the Eibach ERS spring combines maximum suspension travel with a compact block height. Its linear performance characteristics help deliver predictable handling throughout the suspension’s operating range, while Eibach’s proven off-road durability supports demanding race environments. Each spring is individually tested to help ensure dependable consistency from one component to the next.\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: EIB1600.375.0400S\u003c\/li\u003e\n\u003cli\u003eProduct Type: Individual motorsport coilover spring\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 3.75 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 400 lb\/in\u003c\/li\u003e\n\u003cli\u003eSpring Length: 4 inches\u003c\/li\u003e\n\u003cli\u003eApplication: Racing and performance coilover suspension systems\u003c\/li\u003e\n\u003cli\u003eConstruction: Precision-engineered spring with linear performance characteristics\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 motorsport coilover spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eVehicle-specific fitment information should be confirmed before installation. Proper spring selection depends on the coilover system, vehicle weight, suspension geometry, desired ride height, and racing setup. Professional installation and suspension tuning are recommended.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3.75-inch inside diameter supports compatibility with a wide range of motorsport coilover systems.\u003c\/li\u003e\n\u003cli\u003e400 lb\/in spring rate provides a precise tuning option for race vehicle suspension setups.\u003c\/li\u003e\n\u003cli\u003eCompact 4-inch spring length helps maximize suspension travel while maintaining a small block height.\u003c\/li\u003e\n\u003cli\u003eIndividually tested by Eibach for consistent performance, linearity, and dependable racing 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\u003ctr\u003e\u003ctd\u003eClearance Item: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":67580812263676,"sku":"1600.375.0400S","price":190.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/971a24e40e79d694a2bfd23ee970c6e2L_b4bcd663-2119-446b-8fe6-aca695493264.jpg?v=1790402915","url":"https:\/\/diycustoms.store\/products\/eibach-ers-3-75-inch-id-coilover-spring-400-lb-in-rate-4-inch-length","provider":"diycustoms.store","version":"1.0","type":"link"}