{"product_id":"eibach-silver-coilover-spring-3-75in-i-d-3","title":"Eibach Silver Coilover Spring - 3.75in I.D.","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e2200.375.0250S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050461339\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach Silver Coilover Spring - 3.75in I.D. 220 lb\/in 2.50in Height\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Eibach 2200.375.0250S belongs to the ERS Race Spring System, built for coilover shock and strut applications. This silver spring fits universal performance setups including drag cars, autocross vehicles, and custom suspensions requiring a 3.75\" inner diameter. It delivers a 220 lb\/in linear rate for stable cornering and predictable response under load.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Rate:\u003c\/strong\u003e 220 lb\/in maintains consistent force through full travel for sharp handling feedback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner Diameter:\u003c\/strong\u003e 3.75 inches slides over standard coilover bodies like QA1, Penske, and Bilstein.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree Height:\u003c\/strong\u003e 2.50 inches supports low ride heights in drag and street performance builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilver Powder Coat:\u003c\/strong\u003e Resists rust and chips in harsh track environments for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Chrome silicon steel, shot-peened, preset, with square-ground ends and ±1% rate tolerance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm shock body ID and perch spacing before ordering to ensure proper fit.\u003c\/li\u003e\n\u003cli\u003eSold as single spring; pair recommended for axle applications.\u003c\/li\u003e\n\u003cli\u003eStore in dry conditions to preserve coating integrity.\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 with tool rated for 220+ lb\/in rates during assembly.\u003c\/li\u003e\n\u003cli\u003eCompatible with flat or concave perches; use nylon or teflon spacers if needed.\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\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eCoilover Shock Applications\u003c\/td\u003e\n\u003ctd\u003eDrag, Autocross, Street\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\u003eProven in NHRA, SCCA, and Formula Drift racing teams.\u003c\/li\u003e\n\u003cli\u003eSeries production ensures repeatable rates and dimensions.\u003c\/li\u003e\n\u003cli\u003eAdvanced manufacturing yields smoothest grind and lowest stress.\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 suspension setups does this spring work with?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Fits 3.75\" ID coilovers on custom builds, strut inserts, and shocks from brands like AFCO, QA1, and Fox for drag, road racing, or lowered street cars.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and finish are used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e High-tensile chrome silicon steel, heat-treated, shot-peened, and finished in durable silver powder coat for corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Limited lifetime warranty against defects in materials or sagging when used in approved applications; register at eibach.com.\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\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 cardboard tube, 4\" L x 4\" W x 3\" H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.25 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":42289707778127,"sku":"EIB2200.375.0250S","price":179.35,"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_858b0238.jpg?v=1766042809","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-silver-coilover-spring-3-75in-i-d-3","provider":"Black Ops Auto Works","version":"1.0","type":"link"}