Loading... Please wait...Take your Polaris to the next level with EPI Heavy-Duty Suspension Springs. Designed for riders who push their machines, these springs are 25% stronger than stock, giving extra support when running plows, cabs or heavy gear. Precision-built from chrome silicon steel, they deliver a smoother ride, better handling and long-term durability. Whether for work or play, EPI springs keep your Polaris performing strong and level under load.