{"product_id":"eibach-ers-linear-main-spring-140-4mm-free-l-140-4mm-block-l-63-5mm-diameter","title":"Eibach ERS Linear Main Spring - 140.4mm Free L \/ 140.4mm Block L \/ 63.5mm Diameter","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1600.250.0175S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050427342\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eUniversal Fit Eibach ERS Linear Main Spring - 140.4mm Free L \/ 140.4mm Block L \/ 63.5mm Diameter\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEibach ERS Linear Main Spring delivers a 1600 lb\/in constant rate for consistent suspension response in coilover setups. This spring fits 2.5-inch diameter coilover systems used in drag racing, road racing, and track applications across compatible vehicles. Manufactured with tight tolerances, it ensures repeatable performance and durability under high loads.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1600 lb\/in Linear Rate:\u003c\/strong\u003e Provides steady force for predictable handling and chassis balance in demanding race conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e63.5mm (2.50\") Diameter:\u003c\/strong\u003e Matches standard coilover struts for direct replacement without modifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e140.4mm Free Length:\u003c\/strong\u003e Allows full travel range in most coilover assemblies for optimal ride height setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e140.4mm Block Length:\u003c\/strong\u003e Minimizes bottoming out while maintaining coil bind resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot-Peened Chrome Silicon Steel:\u003c\/strong\u003e Enhances fatigue resistance and longevity through heat treatment and preset process.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for high-performance coilover applications; verify compatibility with your strut diameter and height requirements.\u003c\/li\u003e\n\u003cli\u003eInspect springs regularly for wear in competition use to maintain performance.\u003c\/li\u003e\n\u003cli\u003eShips in protective sleeve to prevent damage during transit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eMatch spring with compatible inner sleeve and perches for secure fit.\u003c\/li\u003e\n\u003cli\u003eRequires standard coilover hardware; torque to manufacturer specs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1991\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic\u003c\/td\u003e\n\u003ctd\u003eEF Hatchback (Coilover Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1989-1994\u003c\/td\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003e240SX\u003c\/td\u003e\n\u003ctd\u003eS13 (Coilover Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1990-1997\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMX-5 Miata\u003c\/td\u003e\n\u003ctd\u003eNA (Coilover Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-1995\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eCivic\u003c\/td\u003e\n\u003ctd\u003eEG Hatch\/Sedan (Coilover Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1999-2004\u003c\/td\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eS2000\u003c\/td\u003e\n\u003ctd\u003eAP1 (Coilover Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2006-2015\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eMX-5 Miata\u003c\/td\u003e\n\u003ctd\u003eNC (Coilover Compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003eDrag\/Road Race\u003c\/td\u003e\n\u003ctd\u003e2.5\" Coilover Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Eibach?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDecades of series production experience in race springs worldwide.\u003c\/li\u003e\n\u003cli\u003eTightest industry tolerances for consistent spring rates every time.\u003c\/li\u003e\n\u003cli\u003eProven engineering for linear characteristics in repeated high-stress use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What coilover systems does this spring fit?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Fits 2.5-inch (63.5mm) diameter coilover struts from brands like BC Racing, Tein, and Fortune Auto on compatible Honda, Nissan, Mazda, and other performance vehicles listed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and construction details?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-tensile chrome silicon steel, shot-peened, heat-treated, nitrogen-infused, and pre-set for maximum cycles and resistance to sagging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation info?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Eibach offers a limited warranty against manufacturing defects; professional installation advised to ensure proper seating and preload.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Protective plastic sleeve in 6\" x 4\" x 4\" box\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.1 lbs (product), 3.55 lbs (shipping)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":41949665787983,"sku":"EIB1600.250.0175S","price":76.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-linear-main-spring-140_4mm-free-l-140_4mm-block-l-63_5mm-diameter-eibach.jpg?v=1766042662","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-linear-main-spring-140-4mm-free-l-140-4mm-block-l-63-5mm-diameter","provider":"Black Ops Auto Works","version":"1.0","type":"link"}