{"product_id":"eibach-ers-6-00-inch-l-x-2-25-inch-dia-x-450-lbs-coil-over-spring-single-spring","title":"Eibach ERS 6.00 inch L x 2.25 inch dia x 450 lbs Coil Over Spring (single spring)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e0600.225.0450\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 803050104762\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eEibach ERS 6.00 inch L x 2.25 inch dia x 450 lbs Coil Over Spring (Universal Fit)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Eibach ERS 6.00 inch L x 2.25 inch dia x 450 lbs Coil Over Spring is a single racing spring designed for custom coilover shock assemblies. It fits universal performance applications including drag racing, road course, circle track, and off-road setups where precise rates deliver consistent handling. This spring provides reliable load support and response for tuned suspension systems.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact Dimensions:\u003c\/strong\u003e 6.00\" free length, 2.25\" inside diameter ensures compatibility with standard coilover shocks and perches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e450 lb\/in Rate:\u003c\/strong\u003e Delivers firm control for high-grip track use, maintaining stability under heavy loads and high speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Silicon Steel:\u003c\/strong\u003e High-tensile material resists fatigue, handles extreme temperatures and repeated cycles without sagging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot-Peened Surface:\u003c\/strong\u003e Increases surface strength by 200%, extending spring life in demanding motorsport conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround Flat Ends:\u003c\/strong\u003e Dual-stage grinding allows perpendicular seating on coilover seats for even load distribution and zero bind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSold as single spring; pair required for dual-spring setups.\u003c\/li\u003e\n\u003cli\u003eBlack oxide finish prevents corrosion; store in dry conditions.\u003c\/li\u003e\n\u003cli\u003eStandard ground shipping; verify shock ID matches 2.25\" before purchase.\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 rate to vehicle weight and shock travel; use Eibach spring calculator for setup.\u003c\/li\u003e\n\u003cli\u003eCompatible with most adjustable coilover shocks; add rubber spring isolators for noise reduction.\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\u003e-\u003c\/td\u003e\n\u003ctd\u003eCoilover Shocks\u003c\/td\u003e\n\u003ctd\u003eDrag, Track, Off-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003ctd\u003ePro-Truck\u003c\/td\u003e\n\u003ctd\u003eStreet Performance\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 professional racing series like NHRA and SCCA.\u003c\/li\u003e\n\u003cli\u003ePrecision manufacturing tolerances of +\/- 1% on rates and dimensions.\u003c\/li\u003e\n\u003cli\u003eEngineered for motorsport with nitrogen infusion to minimize set.\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 shocks with 2.25\" ID including QA1, Bilstein, Fox, and most adjustable racing coilovers; confirm travel and block height.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used and does it rust?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Premium chrome silicon steel with black oxide coating resists rust and maintains performance in wet or salty environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and installation tip?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 1-year limited warranty against manufacturing defects; torque perches to spec and preload evenly for best results.\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 Protective cardboard box, approx. 8 x 4 x 4 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.00 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Eibach","offers":[{"title":"Default Title","offer_id":39667909197903,"sku":"EIB0600.225.0450","price":80.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/eibach-ers-6_00-inch-l-x-2_25-inch-dia-x-450-lbs-coil-over-spring-single-spring-eibach.jpg?v=1766039506","url":"https:\/\/www.blackopsautoworks.com\/products\/eibach-ers-6-00-inch-l-x-2-25-inch-dia-x-450-lbs-coil-over-spring-single-spring","provider":"Black Ops Auto Works","version":"1.0","type":"link"}