Elevate your Yamaha snowmobile's performance with this OEM track suspension spacer, designed to fit a range of models including CS340, ET410, EX570, and PZ480 from years 84-01. The spacer's precise engineering is reflected in its Manufacturer Part Number 90387-160M7-00, a testament to Yamaha's commitment to detailed component specification. Crafted in Japan, this NOS (New Old Stock) item assures quality and fitment for your machine. Please note, it comes without a warranty but rest assured it's a genuine Yamaha part, ensuring the integrity and authenticity of your snowmobile's suspension setup.