Eibach EMS Rear Spring Kit EIB820.0066.1 for 2014–2023 Yamaha YZ450F

Eibach's MOTO springs provide tuning capability for maximum perfromance and durability on any terrain. Color Update: Springs may vary between black and silver in color.

• Eibach EMS Springs Available in a Full Range of Rates to Fine Tune Suspension to each Rider.
• Highest Linearity and Guaranteed Consistency
• Ultra-Lightweight for Reduced Unsprung Mass
• Each Spring Individually Tested
• Made In U.S.A.

Upgrade the rear suspension performance of your motocross bike with the Eibach EMS Rear Spring Kit, part number EIB820.0066.1. Designed for tuning capability, consistent handling, and long-term durability, this Eibach spring helps riders fine-tune suspension response for different terrain, riding styles, and performance demands.

Eibach EMS springs are manufactured with a focus on linear performance and repeatable results. The lightweight construction helps reduce unsprung mass, while individual spring testing supports reliable quality and consistency. The spring may be supplied in either black or silver, as color can vary during the product update.

• Fitment: Fits 2014–2023 Yamaha YZ450F models.
• Brand: Eibach.
• Part Number: EIB820.0066.1.
• Application: Rear suspension spring for powersports use.
• Construction: Ultra-lightweight design helps reduce unsprung mass.
• Performance: High linearity supports predictable suspension behavior.
• Quality Control: Each spring is individually tested for consistency.
• Country of Origin: Made in the USA.

What's Included: One Eibach EMS rear suspension spring kit. Installation should be completed by a qualified technician, with spring selection and setup matched to the rider, motorcycle, and intended terrain. Professional suspension adjustment may be recommended to achieve the desired performance.

Fitment: 2014 Yamaha YZ450F; 2015 Yamaha YZ450F; 2016 Yamaha YZ450F; 2017 Yamaha YZ450F; 2018 Yamaha YZ450F; 2019 Yamaha YZ450F; 2020 Yamaha YZ450F; 2021 Yamaha YZ450F; 2022 Yamaha YZ450F; 2023 Yamaha YZ450F.

Features:

• Eibach EMS rear spring designed for suspension tuning on Yamaha YZ450F motorcycles
• High linearity promotes predictable and consistent suspension performance
• Ultra-lightweight construction helps reduce unsprung mass
• Each spring is individually tested and made in the USA

Fitments:
2014 Yamaha YZ450F Base
2015 Yamaha YZ450F Base
2016 Yamaha YZ450F Base
2017 Yamaha YZ450F Base
2018 Yamaha YZ450F Base
2019 Yamaha YZ450F Base
2020 Yamaha YZ450F Base
2021 Yamaha YZ450F Base
2022 Yamaha YZ450F Base
2023 Yamaha YZ450F Base
2024 Yamaha YZ450F Base
2025 Yamaha YZ450F Base
2026 Yamaha YZ450F Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: false
Units Per Sku: 1