{"product_id":"eibach-ers-70mm-id-linear-tender-spring-eib40-70-0040","title":"Eibach ERS 70mm ID Linear Tender Spring EIB40-70-0040","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\u003eProvides a Softer Initial Rate When Paired with a Main Spring\u003c\/li\u003e\n  \u003cli\u003eHighest Linearity and Guaranteed Consistency\u003c\/li\u003e\n  \u003cli\u003eAvailable in Linear or Progressive Rates\u003c\/li\u003e\n  \u003cli\u003eEach Spring Individually Tested\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Eibach ERS 70mm ID Linear Tender Spring is an individual motorsport spring engineered to help race teams fine-tune suspension performance. Designed for use with a main spring, this tender spring provides a softer initial rate that can improve suspension compliance and support more controlled spring engagement across demanding racing conditions.\u003c\/p\u003e\u003cp\u003eBuilt for precision tuning, the Eibach ERS spring delivers a highly linear rate and consistent performance from spring to spring. Each spring is individually tested to help maintain dependable characteristics and predictable handling behavior. Its 70mm inside diameter design makes it suitable for compatible racing suspension systems and custom spring configurations.\u003c\/p\u003e\u003cp\u003eThe Eibach ERS 70mm ID Linear Tender Spring is available as part of Eibach’s extensive motorsport spring range, which supports a broad selection of racing applications and suspension setups. Use the EIB40-70-0040 spring with a properly matched main spring and compatible hardware to optimize initial suspension response, load transfer, and overall chassis balance. Verify spring compatibility, installed height, and 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\u003ePart Number: EIB40-70-0040\u003c\/li\u003e\n\u003cli\u003eProduct Type: Motorsport tender spring\u003c\/li\u003e\n\u003cli\u003eSpring Design: Linear rate\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 2.76 inches\u003c\/li\u003e\n\u003cli\u003eApplication: Racing and motorsport suspension systems\u003c\/li\u003e\n\u003cli\u003eIntended Use: Pairing with a main spring\u003c\/li\u003e\n\u003cli\u003eProduct Quantity: One individual spring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eOne Eibach ERS 70mm ID Linear Tender Spring\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eVehicle-specific fitment data was not provided. Confirm compatibility with the vehicle, coilover system, spring perch, main spring, and suspension configuration before purchase.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSofter Initial Rate: Helps provide a more compliant initial suspension response when paired with a compatible main spring.\u003c\/li\u003e\n\u003cli\u003eLinear Spring Rate: Delivers predictable rate behavior for precise chassis and suspension tuning.\u003c\/li\u003e\n\u003cli\u003eMotorsport Construction: Engineered for demanding racing and high-performance suspension applications.\u003c\/li\u003e\n\u003cli\u003eIndividually Tested: Each spring is tested by Eibach to support consistency and dependable performance.\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":51396119134460,"sku":"40-70-0040","price":109.25,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/a2a56e74a3dd5ba5215e512d1fe8675aL_824c89b4-7edf-4aec-a5dc-477ce0906bb5.jpg?v=1790364583","url":"https:\/\/diycustoms.store\/products\/eibach-ers-70mm-id-linear-tender-spring-eib40-70-0040","provider":"diycustoms.store","version":"1.0","type":"link"}