{"product_id":"eibach-eib904-042-1-ems-fork-spring-kit-for-yamaha-yz250f-and-yz450f","title":"Eibach Eib904.042.1 EMS Fork Spring Kit for Yamaha YZ250F and YZ450F","description":"With a range of spring rate options available, you can fine-tune your suspension to deliver the perfect balance of comfort and performance. And, with a precise fit and easy installation, you'll be back on the road in no time, enjoying the benefits of your upgraded suspension.\n\u003cul\u003e\n  \u003cli\u003eEibach EMS Springs Available in a Full Range of Rates to Fine Tune Suspension to each Rider.\u003c\/li\u003e\n  \u003cli\u003eHighest Linearity and Guaranteed Consistency\u003c\/li\u003e\n  \u003cli\u003eUltra-Lightweight for Reduced Unsprung Mass\u003c\/li\u003e\n  \u003cli\u003eEach Spring Individually Tested\u003c\/li\u003e\n  \u003cli\u003eMade In U.S.A.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your motorcycle suspension with the Eibach EMS Fork Spring Kit, part number Eib904.042.1. Designed for riders who want more precise suspension tuning, this spring kit helps optimize the balance between comfort, control, and performance. Eibach offers a broad range of spring rates, allowing the suspension to be matched more closely to rider weight, riding style, and terrain.\u003c\/p\u003e\n\u003cp\u003eEach spring is individually tested to help ensure reliable performance and consistent spring behavior. The high-linearity design provides predictable suspension response throughout the stroke, while the lightweight construction helps reduce unsprung mass for improved suspension action. The springs are manufactured in the United States and engineered for precise fitment and straightforward installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpring Rate Selection:\u003c\/strong\u003e Available in multiple rates to help fine-tune suspension performance for individual rider requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Linearity:\u003c\/strong\u003e Delivers predictable, consistent suspension response across the operating range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight Construction:\u003c\/strong\u003e Helps reduce unsprung mass for improved suspension movement and control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndividual Testing:\u003c\/strong\u003e Every spring is tested to support dependable quality and consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications and Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Eibach\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e Eib904.042.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e EMS fork spring kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Powersports motorcycle suspension\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-performance spring steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturing Origin:\u003c\/strong\u003e Made in the U.S.A.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Direct-fit suspension replacement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e One fork spring kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One Eibach EMS Fork Spring Kit. Verify the required spring rate and motorcycle application before installation. This kit fits 2014-2018 Yamaha YZ250F models and 2014-2018 Yamaha YZ450F models, including the listed model years. Professional installation and suspension setup are recommended for best results.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSpring rate options help fine-tune suspension performance for rider weight, riding style, and terrain.\u003c\/li\u003e\n\u003cli\u003eHigh-linearity design provides predictable and consistent suspension response.\u003c\/li\u003e\n\u003cli\u003eUltra-lightweight construction helps reduce unsprung mass and improve suspension action.\u003c\/li\u003e\n\u003cli\u003eEach spring is individually tested for dependable quality and consistent performance.\u003c\/li\u003e\n\u003cli\u003eMade in the U.S.A. for reliable manufacturing quality.\u003c\/li\u003e\n\u003cli\u003eDesigned for precise fitment and straightforward installation.\u003c\/li\u003e\n\u003cli\u003eFits select 2014-2018 Yamaha YZ250F and YZ450F models.\u003c\/li\u003e\n\u003cli\u003eSupports improved suspension balance, control, comfort, and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2014 Yamaha YZ250F Base\u003cbr\u003e\n2014 Yamaha YZ450F Base\u003cbr\u003e\n2015 Yamaha YZ250F Base\u003cbr\u003e\n2015 Yamaha YZ450F Base\u003cbr\u003e\n2016 Yamaha YZ250F Base\u003cbr\u003e\n2016 Yamaha YZ450F Base\u003cbr\u003e\n2017 Yamaha YZ250F Base\u003cbr\u003e\n2017 Yamaha YZ450F Base\u003cbr\u003e\n2018 Yamaha YZ250F Base\u003cbr\u003e\n2018 Yamaha YZ450F Base\u003cbr\u003e\n2019 Yamaha WR450F Base\u003cbr\u003e\n2019 Yamaha YZ250F Base\u003cbr\u003e\n2019 Yamaha YZ450F Base\u003cbr\u003e\n2019 Yamaha YZ450FX Base\u003cbr\u003e\n2020 Kawasaki KX250 Base\u003cbr\u003e\n2020 Yamaha WR250F Base\u003cbr\u003e\n2020 Yamaha WR450F Base\u003cbr\u003e\n2020 Yamaha YZ250F Base\u003cbr\u003e\n2020 Yamaha YZ250FX Base\u003cbr\u003e\n2020 Yamaha YZ450F Base\u003cbr\u003e\n2020 Yamaha YZ450FX Base\u003cbr\u003e\n2021 Kawasaki KX250 Base\u003cbr\u003e\n2021 Kawasaki KX250X Base\u003cbr\u003e\n2021 Yamaha WR250F Base\u003cbr\u003e\n2021 Yamaha WR450F Base\u003cbr\u003e\n2021 Yamaha YZ250F Base\u003cbr\u003e\n2021 Yamaha YZ250FX Base\u003cbr\u003e\n2021 Yamaha YZ450F Base\u003cbr\u003e\n2021 Yamaha YZ450FX Base\u003cbr\u003e\n2022 Kawasaki KX250 Base\u003cbr\u003e\n2022 Kawasaki KX250X Base\u003cbr\u003e\n2022 Yamaha WR250F Base\u003cbr\u003e\n2022 Yamaha WR450F Base\u003cbr\u003e\n2022 Yamaha YZ125 Base\u003cbr\u003e\n2022 Yamaha YZ250 Base\u003cbr\u003e\n2022 Yamaha YZ250F Base\u003cbr\u003e\n2022 Yamaha YZ250FX Base\u003cbr\u003e\n2022 Yamaha YZ450F Base\u003cbr\u003e\n2022 Yamaha YZ450FX Base\u003cbr\u003e\n2023 Kawasaki KX250 Base\u003cbr\u003e\n2023 Kawasaki KX250X Base\u003cbr\u003e\n2023 Yamaha WR250F Base\u003cbr\u003e\n2023 Yamaha YZ125 Base\u003cbr\u003e\n2023 Yamaha YZ125X Base\u003cbr\u003e\n2023 Yamaha YZ250 Base\u003cbr\u003e\n2023 Yamaha YZ250F Base\u003cbr\u003e\n2023 Yamaha YZ250FX Base\u003cbr\u003e\n2023 Yamaha YZ450F Base\u003cbr\u003e\n2023 Yamaha YZ450FX Base\u003cbr\u003e\n2024 Kawasaki KX250 Base\u003cbr\u003e\n2024 Kawasaki KX250X Base\u003cbr\u003e\n2024 Yamaha WR250F Base\u003cbr\u003e\n2024 Yamaha YZ125 Base\u003cbr\u003e\n2024 Yamaha YZ125X Base\u003cbr\u003e\n2024 Yamaha YZ250 Base\u003cbr\u003e\n2024 Yamaha YZ250F Base\u003cbr\u003e\n2024 Yamaha YZ250FX Base\u003cbr\u003e\n2024 Yamaha YZ450F Base\u003cbr\u003e\n2024 Yamaha YZ450FX Base\u003cbr\u003e\n2025 Kawasaki KX250X Base\u003cbr\u003e\n2025 Yamaha WR250F Base\u003cbr\u003e\n2025 Yamaha YZ125 Base\u003cbr\u003e\n2025 Yamaha YZ125X Base\u003cbr\u003e\n2025 Yamaha YZ250 Base\u003cbr\u003e\n2025 Yamaha YZ250F Base\u003cbr\u003e\n2025 Yamaha YZ250FX Base\u003cbr\u003e\n2025 Yamaha YZ450F Base\u003cbr\u003e\n2025 Yamaha YZ450FX Base\u003cbr\u003e\n2026 Kawasaki KX250X Base\u003cbr\u003e\n2026 Yamaha WR250F Base\u003cbr\u003e\n2026 Yamaha YZ125 Base\u003cbr\u003e\n2026 Yamaha YZ125X Base\u003cbr\u003e\n2026 Yamaha YZ250 Base\u003cbr\u003e\n2026 Yamaha YZ250F Base\u003cbr\u003e\n2026 Yamaha YZ250FX Base\u003cbr\u003e\n2026 Yamaha YZ450F Base\u003cbr\u003e\n2026 Yamaha YZ450FX Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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