{"product_id":"eibach-silver-coilover-spring-3-75in-i-d-2","title":"Eibach Silver Coilover Spring - 3.75in I.D.","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1600.375.0250S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050422484\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach Silver Coilover Spring - 3.75in I.D. 160 lb\/in Rate 2.50in Height\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEibach ERS silver coilover springs deliver precision handling for race and performance coilover setups on compatible shocks. This 160 lb\/in rate spring with 3.75\" inside diameter fits standard coilover perches in drag, road race, and street applications. Engineered oval wire construction ensures consistent linear response under load.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e160 lb\/in Spring Rate:\u003c\/strong\u003e Provides firm control for improved cornering and stability in high-performance setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.75\" Inside Diameter:\u003c\/strong\u003e Direct fit for common coilover shock bodies and perches in racing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.50\" Free Height:\u003c\/strong\u003e Compact design suits low-profile suspensions and drag racing front\/rear coilovers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Powder Coat Finish:\u003c\/strong\u003e Resists corrosion for long-lasting performance in demanding conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOval Wire Design:\u003c\/strong\u003e Delivers linear rate progression with industry-lowest tolerances for repeatable results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold individually; order quantity needed for each coilover.\u003c\/li\u003e\n\u003cli\u003eSpecial order item; verify stock before purchase.\u003c\/li\u003e\n\u003cli\u003eMeasure shock perch to confirm 3.75\" ID compatibility.\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\u003eCompress spring safely using dedicated coil spring compressor tool.\u003c\/li\u003e\n\u003cli\u003eCompatible with most adjustable coilover shocks like QA1, Bilstein, and Fox with matching perch diameter.\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\u003eAll Years\u003c\/td\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eCoilover Shocks\u003c\/td\u003e\n\u003ctd\u003e3.75\" ID Perch (Drag\/Race\/Street)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eEibach\u003c\/td\u003e\n\u003ctd\u003eERS Coilover Kits\u003c\/td\u003e\n\u003ctd\u003eReplacement Spring\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\u003eLeading Race Spring System used worldwide in motorsports.\u003c\/li\u003e\n\u003cli\u003eSeries production manufacturing ensures consistent quality.\u003c\/li\u003e\n\u003cli\u003eDecades of experience yield precise linear rates and minimal tolerances.\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 shocks does this spring fit?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Fits any coilover with 3.75\" spring perch ID, including QA1 Proma Star, Bilstein, Fox, and custom race setups; check perch diameter before install.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and finish is used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-tensile chrome silicon steel with oval wire and silver powder coat for strength and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and return policy?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Eibach offers limited lifetime warranty against manufacturing defects; contact seller for returns within 30 days.\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 \/ USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Special order - ships in 3-5 business days\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Individual protective box, 5\" x 5\" x 4\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":41801367978063,"sku":"EIB1600.375.0250S","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-silver-coilover-spring-3_75in-i_d_-eibach.jpg?v=1766042598","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-silver-coilover-spring-3-75in-i-d-2","provider":"Black Ops Auto Works","version":"1.0","type":"link"}