{"product_id":"eibach-platinum-rear-spring-16in-x-5-0in-od","title":"Eibach Platinum Rear Spring | 16in x 5.0in OD","description":"\u003ch2\u003eEibach Platinum Rear Coil Springs – 5.00in OD x 16.00in Length – Ultra-High Tensile Performance\u003c\/h2\u003e\n\u003cp\u003eWhen precision suspension tuning demands the absolute best, \u003cstrong\u003eEibach’s Platinum Series Rear Coil Springs (5.00in OD x 16.00in Length)\u003c\/strong\u003e deliver unmatched strength, linearity, and rate consistency. Engineered using Eibach’s proprietary ultra-high tensile steel, these race-grade springs provide superior travel, minimal deflection, and the lowest physical weight of any comparable steel coil spring on the market.\u003c\/p\u003e\n\u003cp\u003eAvailable in a wide range of rates — \u003cstrong\u003e50, 75, 100, 125, 150, 175, and 200 lb\/in\u003c\/strong\u003e — this lineup allows tuners, fabricators, and suspension specialists to fine-tune their setup for maximum performance and control across any terrain or racing discipline.\u003c\/p\u003e\n\u003cp\u003eFrom desert racing to track-day performance builds, the Eibach Platinum Series gives you the same precision, strength, and reliability trusted by world-class teams and OEM performance programs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineered for Strength, Travel, and Repeatability\u003c\/h2\u003e\n\u003cp\u003eEibach Platinum Series springs are not just built — they’re \u003cem\u003eengineered\u003c\/em\u003e. Every coil is precision cold-wound from high-tensile steel alloy, heat-treated, shot-peened, and pre-set multiple times to eliminate any possibility of sag or rate loss over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Performance Advantages:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Lightweight Construction:\u003c\/strong\u003e Less unsprung mass for faster suspension response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIncreased Travel:\u003c\/strong\u003e More usable compression before block height, maximizing control and comfort.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBlock Resistant:\u003c\/strong\u003e Maintains spring height and rate even under extreme compression.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConsistent Rate Accuracy:\u003c\/strong\u003e Precision manufacturing holds tolerances to within ±1%.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion Resistant Finish:\u003c\/strong\u003e Platinum powder coat resists chips, abrasion, and oxidation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis combination of precision engineering and advanced metallurgy ensures these springs deliver linear response, reduced friction, and consistent performance lap after lap.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOptimized for Coilover and Rear Suspension Systems\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEibach Platinum 5.00in x 16.00in\u003c\/strong\u003e coil spring design integrates perfectly with high-performance rear suspension setups — from long-travel off-road coilovers to independent rear suspension (IRS) race applications. With rate options from 50 to 200 lb\/in, you can build exactly the suspension feel you need.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDesert Racing \/ Off-Road Trucks:\u003c\/strong\u003e Handles extreme compression and rebound cycles with zero loss of preload.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUTV \/ SXS Builds:\u003c\/strong\u003e Ideal for coilover conversions or tuning dual-rate systems for improved stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTrack and Circuit Racing:\u003c\/strong\u003e Provides linear, predictable spring behavior under high cornering loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustom Fabrication Projects:\u003c\/strong\u003e Used in race chassis, hot rods, and custom coilover-equipped builds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Performance Street Cars:\u003c\/strong\u003e Enhances ride control and chassis balance while maintaining comfort.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWith consistent performance across temperatures and load cycles, Eibach springs maintain their shape, rate, and travel long after others fade.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"sm\"\u003eAttribute\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eEibach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePlatinum Rear Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eOuter Diameter:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e5.00 in (127 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eFree Length:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e16.00 in (406 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eUltra-High Tensile Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eFinish:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePlatinum Powder Coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eSpring Rates Available:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e50 lb\/in, 75 lb\/in, 100 lb\/in, 125 lb\/in, 150 lb\/in, 175 lb\/in, 200 lb\/in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eEnd Type:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eFlat Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eConfiguration:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eSingle Coil Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eSuspension › Coil Springs › Rear Springs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eEach rate variant is verified under strict quality control standards, ensuring uniform compression, rate accuracy, and fatigue resistance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eDesigned for Race-Grade Performance and Reliability\u003c\/h2\u003e\n\u003cp\u003eEibach Platinum springs are manufactured to the same exacting standards used in professional motorsport programs. Each coil undergoes precision grinding, controlled heat treatment, and automated quality inspection. The result: zero-rate fade, perfect dimensional integrity, and unmatched spring longevity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturing Highlights:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShot-peened surface for increased fatigue strength\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-step heat treatment for molecular stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePre-set under load to prevent settling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePowder-coated platinum finish for corrosion resistance and professional-grade durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese steps ensure the spring’s geometry and performance remain consistent, even through repeated compression cycles, temperature changes, and long-term load exposure.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eUnmatched Performance in Every Rate\u003c\/h2\u003e\n\u003cp\u003eWith seven available spring rates, the \u003cstrong\u003eEibach Platinum 16-inch lineup\u003c\/strong\u003e covers virtually every tuning scenario:\u003c\/p\u003e\n\u003cdiv class=\"_tableContainer_1rjym_1\"\u003e\n\u003cdiv class=\"group _tableWrapper_1rjym_13 flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"sm\"\u003eSpring Rate\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eIdeal Use Case\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e50 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eLightweight applications requiring maximum travel and comfort\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e75 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBalanced setups for mixed-use performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e100 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eModerate stiffness for responsive yet compliant suspension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e125 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eIdeal for heavier builds or firmer chassis control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e150 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eExcellent balance for off-road coilovers and track setups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e175 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003ePerformance builds needing greater resistance to bottom-out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e\u003cstrong\u003e200 lb\/in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHeavy-duty or competition-grade suspension systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eBy offering a comprehensive range of rates under one configuration, Eibach allows tuners and fabricators to achieve perfect balance without compromise.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProven Eibach Quality: Trusted Worldwide\u003c\/h2\u003e\n\u003cp\u003eEibach’s Platinum Series represents more than just a product — it’s a continuation of a legacy that spans over 70 years of innovation in suspension design. Used by championship teams in off-road racing, rally, circuit competition, and OEM motorsport programs, Eibach’s engineering excellence ensures every spring meets uncompromising standards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Builders and Racers Trust Eibach:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eManufactured under ISO 9001 and QS 9000 certifications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned and tested in the USA and Germany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUsed by professional racing teams and OEM manufacturers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBacked by decades of proven motorsport success\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen you choose Eibach, you’re not just selecting a spring — you’re selecting consistency, precision, and a legacy of winning performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eApplication Examples\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDesert Race Trucks \u0026amp; Pre-Runners:\u003c\/strong\u003e Maintains predictable damping and suspension balance under aggressive terrain.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUTV \/ SXS Racing:\u003c\/strong\u003e Lightweight construction enhances response without compromising strength.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTrack \/ Drift \/ Time Attack Cars:\u003c\/strong\u003e Maintains chassis balance under sustained high G-forces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustom Street \u0026amp; Race Builds:\u003c\/strong\u003e Delivers pro-level tuning flexibility for all chassis types.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFrom the desert to the track, these Platinum Series springs have proven themselves under the most demanding conditions — delivering reliability and precision no matter the application.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eThe Eibach Platinum Advantage\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-High Tensile Steel:\u003c\/strong\u003e Stronger and lighter than standard racing spring materials.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtended Travel Capacity:\u003c\/strong\u003e More usable compression without coil bind.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTight Rate Tolerance:\u003c\/strong\u003e Within ±1% for consistent tuning accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo Rate Fade or Sag:\u003c\/strong\u003e Maintains performance across thousands of cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlat-Ground Ends:\u003c\/strong\u003e Perfect parallel load distribution and seat contact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion Resistant:\u003c\/strong\u003e Premium platinum powder coating for long-term protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is the coil spring of choice for serious builders who value measurable gains in both suspension control and ride quality.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Buy from Fenix Motorsports\u003c\/h2\u003e\n\u003cp\u003eAt \u003cstrong\u003eFenix Motorsports\u003c\/strong\u003e, we don’t just sell parts — we build with them. Every product in our catalog is tested, validated, and trusted by our team of performance enthusiasts, ensuring you receive components that deliver in both durability and precision.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen you buy from Fenix, you get:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eGenuine, race-proven Eibach suspension components\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnthusiast-backed customer support and real-world technical expertise\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFast, reliable U.S. shipping with professional packaging\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAccess to premium performance brands like \u003cstrong\u003eEibach, KING, FOX, Rigid Industries, Baja Designs, and NRG Innovations\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe’re proud to support builders and racers who demand excellence — because at Fenix Motorsports, \u003cstrong\u003eperformance isn’t optional, it’s precision engineered.\u003c\/strong\u003e\u003c\/p\u003e","brand":"EIBACH","offers":[{"title":"50 lb\/in","offer_id":50688779059458,"sku":"EIBPR1600.500.0050","price":146.99,"currency_code":"USD","in_stock":true},{"title":"75 lb\/in","offer_id":50688779092226,"sku":"EIBPR1600.500.0075","price":146.99,"currency_code":"USD","in_stock":true},{"title":"100 lb\/in","offer_id":50688779124994,"sku":"EIBPR1600.500.0100","price":146.99,"currency_code":"USD","in_stock":true},{"title":"125 lb\/in","offer_id":50688779157762,"sku":"EIBPR1600.500.0125","price":146.99,"currency_code":"USD","in_stock":true},{"title":"150 lb\/in","offer_id":50688779190530,"sku":"EIBPR1600.500.0150","price":146.99,"currency_code":"USD","in_stock":true},{"title":"175 lb\/in","offer_id":50688779223298,"sku":"EIBPR1600.500.0175","price":146.99,"currency_code":"USD","in_stock":true},{"title":"200 lb\/in","offer_id":50688779256066,"sku":"EIBPR1600.500.0200","price":145.8,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/5271\/4754\/files\/eibach-spring-rear-16in-x-5in-x-200-lbsin-platinum-1144470.jpg?v=1759388822","url":"https:\/\/fenixmotorsport.com\/products\/eibach-platinum-rear-spring-16in-x-5-0in-od","provider":"Fenix Motorsports LLC","version":"1.0","type":"link"}