{"product_id":"eibach-ers-11-00-in-x-5-50-in-900-lb-coilover-race-spring-part-eib1100-550-0900","title":"Eibach ERS 11.00 in. x 5.50 in. 900 lb Coilover Race Spring, Part EIB1100.550.0900","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\u003eDirt Stock Car Front Springs in 11.5 inches by 5.5 inches\u003c\/li\u003e\n  \u003cli\u003eMaximum Travel in Combination with Smallest Block Heights\u003c\/li\u003e\n  \u003cli\u003eHighest Linearity and Guaranteed Consistency\u003c\/li\u003e\n  \u003cli\u003eLegendary Eibach Durability and Performance\u003c\/li\u003e\n  \u003cli\u003eEach Spring Individually Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Eibach ERS 11.00 in. x 5.50 in. 900 lb Coilover Race Spring is a precision-engineered motorsport spring designed for dirt stock car front suspension applications. Part number EIB1100.550.0900 delivers consistent spring performance for racers and chassis builders who need predictable handling characteristics, accurate tuning, and dependable operation under demanding track conditions.\u003c\/p\u003e\u003cp\u003eAs part of Eibach’s extensive race spring program, this individual motorsport spring is engineered to provide maximum suspension travel while supporting compact spring block configurations. Its high linearity helps maintain consistent force throughout the working range, allowing suspension adjustments to produce repeatable results. Every spring is individually tested to help ensure dependable quality and uniform performance from one component to the next.\u003c\/p\u003e\u003cp\u003eThe Eibach ERS spring is built for professional and serious amateur racing applications where durability and precision are essential. Its 900 lb. spring rate is suited to applications requiring firm suspension control, while Eibach’s established manufacturing standards help provide long service life and reliable performance. This spring is intended for compatible coilover and race suspension systems; verify vehicle, chassis, suspension, and spring-rate requirements before installation.\u003c\/p\u003e\u003ch3\u003eProduct Specifications and Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Eibach\u003c\/li\u003e\n\u003cli\u003ePart Number: EIB1100.550.0900\u003c\/li\u003e\n\u003cli\u003eProduct Type: Individual motorsport coilover spring\u003c\/li\u003e\n\u003cli\u003eApplication: Dirt stock car front suspension\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 900 lb.\u003c\/li\u003e\n\u003cli\u003eNominal Free Length: 11.00 in.\u003c\/li\u003e\n\u003cli\u003eNominal Inside Diameter: 5.50 in.\u003c\/li\u003e\n\u003cli\u003eConstruction Benefit: High linearity with individually tested consistency\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS 900 lb. coilover race spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eFitment data should be verified against the vehicle and suspension manufacturer’s requirements before purchase. This component is intended for automotive motorsport use and may require professional installation and chassis-specific setup.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDirt Stock Car Front Spring: Designed for compatible dirt stock car front suspension applications.\u003c\/li\u003e\n\u003cli\u003eMaximum Suspension Travel: Supports maximum travel in combination with compact spring block heights.\u003c\/li\u003e\n\u003cli\u003eHigh Linearity: Provides predictable force characteristics for precise chassis tuning.\u003c\/li\u003e\n\u003cli\u003eConsistent Motorsport Performance: Each spring is individually tested and built with Eibach durability standards.\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":67592839692540,"sku":"1100.550.0900","price":125.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/b7e7628b-68e4-47ad-b7e1-639325380b54-800_3589906a-15ea-4155-9cf2-d4073f66b8e8.jpg?v=1790520192","url":"https:\/\/diycustoms.store\/products\/eibach-ers-11-00-in-x-5-50-in-900-lb-coilover-race-spring-part-eib1100-550-0900","provider":"diycustoms.store","version":"1.0","type":"link"}