Loading... Please wait...Upgrade your Yamaha with EPI Heavy-Duty Suspension Springs designed for riders who need more support and stability. 25% heavier than stock, these springs handle added weight from plows, winches or utility gear with ease. Constructed from high-grade chrome silicon, they deliver reliable performance, improved handling and a smoother ride, no matter the terrain. Keep your Yamaha ready for the toughest jobs and weekend adventures alike.