{"product_id":"eibach-ers-18-00-in-length-x-3-00-in-id-coil-over-spring-7","title":"Eibach ERS 18.00 in. Length x 3.00 in. ID Coil-Over Spring","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e1800.300.0650S\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050288028\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 18.00 in. Length x 3.00 in. ID Coil-Over Spring - 650 lb\/in\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEibach ERS 1800.300.0650S is a high-performance coilover spring built for racing strut assemblies in drag, circle track, road race, and off-road vehicles. With 18-inch free length and 3-inch inner diameter, it slides over standard 3-inch coilover bodies for custom setups. Delivers firm damping control and lasting rate retention under high loads.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpring Rate:\u003c\/strong\u003e 650 lb\/in supports rear axle or stiff front applications with linear response for cornering grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 18.00 in. free length x 3.00 in. ID x 0.750 in. wire dia. fits QA1, AFCO, Bilstein, and similar coilover shocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Chrome silicon high-tensile steel alloy resists fatigue for 100,000+ mile service life in competition.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e Shot-peened, nitrogen-infused, preset, and squashed eliminates initial sag and ensures consistent performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentification:\u003c\/strong\u003e Laser-etched with rate, length, ID for quick shop identification and inventory control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with matching Eibach ERS rates for balanced handling; check shock stroke clearance.\u003c\/li\u003e\n\u003cli\u003eAvoid extreme heat exposure over 250°F to maintain temper.\u003c\/li\u003e\n\u003cli\u003eStandard ground shipping; protective sleeve prevents coil damage.\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 safety tool; align on threaded perches precisely.\u003c\/li\u003e\n\u003cli\u003eWorks with standard flat or reduced-scrub retainers; no special hardware 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\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eCoilover Shocks\u003c\/td\u003e\n\u003ctd\u003eDrag Racing, Circle Track, Road Race, Off-Road\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\u003eChampionship-proven in NHRA, NASCAR, Formula Drift since 1951.\u003c\/li\u003e\n\u003cli\u003eTight tolerances within 2% rate accuracy for repeatable setups.\u003c\/li\u003e\n\u003cli\u003eGerman-engineered with motorsports testing for real-world durability.\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 Does this spring fit specific coilover brands?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, compatible with 3 in. ID bodies from QA1 Proma Star, AFCO, Bilstein, Fox, and custom builds; verify shock length.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What finish and color is the spring?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Silver powder coat finish on chrome silicon steel; scrub-resistant and corrosion-protected for track storage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime limited warranty against defects in materials or workmanship when installed per instructions.\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 Standard 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 Cardboard tube, 19 x 4 x 4 in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.7 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":39715179429967,"sku":"EIB1800.300.0650S","price":122.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-18_00-in_-length-x-3_00-in_-id-coil-over-spring-eibach_3c7b7a0d.jpg?v=1766039977","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-18-00-in-length-x-3-00-in-id-coil-over-spring-7","provider":"Black Ops Auto Works","version":"1.0","type":"link"}