{"product_id":"eibach-platinum-rear-spring-13in-x-5-0in-od","title":"Eibach Platinum Rear Spring | 13in x 5.0in OD","description":"\u003ch2\u003e\u003cstrong\u003eEibach Platinum Rear Springs – 13.00 in Length | 5.00 in Diameter | 75–225 lbs\/in Rates\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEibach Platinum Series Rear Springs\u003c\/strong\u003e set the benchmark for performance coil springs in both motorsport and off-road applications. Built using \u003cstrong\u003eEibach’s proprietary ultra-high tensile strength steel\u003c\/strong\u003e, these 13.00-inch rear springs deliver the ideal balance of precision, control, and reliability across a wide range of spring rates — from \u003cstrong\u003e75 lbs\/in to 225 lbs\/in\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eWhether you’re tuning a \u003cstrong\u003elong-travel truck, UTV\u003c\/strong\u003e, \u003cstrong\u003edesert pre-runner\u003c\/strong\u003e, or \u003cstrong\u003ecircle-track race car\u003c\/strong\u003e, these springs are engineered for repeatable performance and uncompromising quality. Each Platinum Series spring is crafted to \u003cstrong\u003etight tolerances\u003c\/strong\u003e and \u003cstrong\u003eindividually tested\u003c\/strong\u003e for accuracy, ensuring consistent load response and ride height even under extreme compression cycles.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eBuilt for Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEibach Platinum Rear Springs are trusted by racers worldwide because they maintain rate consistency and dimensional accuracy lap after lap. The \u003cstrong\u003e5.00-inch outer diameter\u003c\/strong\u003e fits most standard coilover setups, making them perfect for multi-rate combinations or fine-tuning suspension balance. From lightweight setups to heavy-duty configurations, Eibach’s metallurgy and precision manufacturing guarantee the spring you install today will perform flawlessly season after season.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable in multiple spring rates:\u003c\/strong\u003e 75, 100, 125, 150, 175, 200, and 225 lbs\/in for complete suspension tuning flexibility.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-lightweight, high-tensile steel construction\u003c\/strong\u003e minimizes unsprung weight without compromising strength.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMore usable travel and deflection\u003c\/strong\u003e than standard coil springs, offering superior suspension articulation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBlock-resistant design\u003c\/strong\u003e prevents coil bind, preserving consistent ride height and load characteristics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlat-ground ends\u003c\/strong\u003e ensure true parallel seating for improved spring alignment and damping response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision rate tolerance within ±2%\u003c\/strong\u003e, maintaining predictable performance through heat cycles and heavy use.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion-resistant finish\u003c\/strong\u003e ensures long-term durability even in harsh off-road conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv 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(lbs)\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e13.00\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.00 O.D.\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e75\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e3.55\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e9.45\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e710\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e4.95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e13.00\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.00 O.D.\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e100\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e3.55\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e9.45\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e940\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd 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data-col-size=\"sm\"\u003e175\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e3.55\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e9.45\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e1,650\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e13.00\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.00 O.D.\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e200\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e3.55\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e9.45\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e1,880\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.23\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003e13.00\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.00 O.D.\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e225\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e3.55\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e9.45\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e2,127\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\"\u003e5.29\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\u003e\u003cem\u003e(Metric: 330 mm length | 127 mm O.D. | 1.34–4.02 kg\/mm rate | 90 mm block height | 240 mm travel | 3,150–9,460 N block load | 2.24–2.40 kg weight)\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRear suspension setups\u003c\/strong\u003e for UTVs, trophy trucks, pre-runners, and sand cars.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTrack and race builds\u003c\/strong\u003e needing precision spring tuning for launch and weight transfer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for \u003cstrong\u003edual-spring coilover configurations\u003c\/strong\u003e requiring specific rate stacking and ride-height tuning.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEvery Eibach Platinum Spring delivers \u003cstrong\u003emaximum suspension response\u003c\/strong\u003e, \u003cstrong\u003ereduced fade\u003c\/strong\u003e, and \u003cstrong\u003eoptimized weight distribution\u003c\/strong\u003e. By matching spring rates to your vehicle’s weight and intended use, you can fine-tune handling, traction, and ride quality for the perfect balance between comfort and control. From high-speed desert runs to technical off-road trails, Eibach’s reputation for race-proven consistency keeps your suspension dialed in where it counts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Buy from Fenix Motorsports\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAt \u003cstrong\u003eFenix Motorsports\u003c\/strong\u003e, performance isn’t theory — it’s proven. Every part we offer is tested, trusted, and ready for real-world abuse. We run the same brands we sell, including \u003cstrong\u003eEibach\u003c\/strong\u003e, \u003cstrong\u003eKing\u003c\/strong\u003e, \u003cstrong\u003eFOX\u003c\/strong\u003e, \u003cstrong\u003eRigid Industries\u003c\/strong\u003e, and more — because quality parts make the difference between finishing and breaking.\u003cbr\u003e✅ \u003cstrong\u003eFast, Free Shipping on Orders $100+\u003c\/strong\u003e\u003cbr\u003e✅ \u003cstrong\u003eRace-Tested Brands You Can Trust\u003c\/strong\u003e\u003cbr\u003e✅ \u003cstrong\u003eExpert Support from Real Builders\u003c\/strong\u003e\u003cbr\u003eEquip your suspension with the best — \u003cstrong\u003eshop Eibach Platinum Rear Springs at FenixMotorsport.com\u003c\/strong\u003e and experience performance driven since 2021.\u003c\/p\u003e","brand":"EIBACH","offers":[{"title":"75 lb\/in","offer_id":50688778830082,"sku":"EIBPR1300.500.0075","price":141.99,"currency_code":"USD","in_stock":true},{"title":"100 lb\/in","offer_id":50688778862850,"sku":"EIBPR1300.500.0100","price":141.99,"currency_code":"USD","in_stock":true},{"title":"125 lb\/in","offer_id":50688778895618,"sku":"EIBPR1300.500.0125","price":141.99,"currency_code":"USD","in_stock":true},{"title":"150 lb\/in","offer_id":50688778928386,"sku":"EIBPR1300.500.0150","price":141.99,"currency_code":"USD","in_stock":true},{"title":"175 lb\/in","offer_id":50688778961154,"sku":"EIBPR1300.500.0175","price":141.99,"currency_code":"USD","in_stock":true},{"title":"200 lb\/in","offer_id":50688778993922,"sku":"EIBPR1300.500.0200","price":141.99,"currency_code":"USD","in_stock":false},{"title":"225 lb\/in","offer_id":50688779026690,"sku":"EIBPR1300.500.0225","price":141.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/5271\/4754\/files\/eibach-spring-rear-13in-x-5in-x-225-lbsin-platinum-4438119.jpg?v=1759389837","url":"https:\/\/fenixmotorsport.com\/products\/eibach-platinum-rear-spring-13in-x-5-0in-od","provider":"Fenix Motorsports LLC","version":"1.0","type":"link"}