EPI Heavy-Duty ATV Suspension Spring for Polaris Sportsman & Outlander 400
Upgrade your ATV suspension performance with the EPI Heavy-Duty ATV Suspension Spring designed for select Polaris Sportsman and Can-Am Outlander 400 models. Built from high-quality chrome silicon, this heavy-duty replacement spring is engineered to provide increased load support, improved ride stability, and enhanced suspension durability in demanding off-road and utility applications.
Featuring a 120 lb spring rate and a design that is 25% heavier than stock, this suspension spring is ideal for ATVs equipped with plows, winches, cabs, trailers, cargo racks, and other accessories that add additional weight. Whether you’re working, towing, trail riding, or tackling rough terrain, this upgraded spring helps maintain proper suspension performance and ride control.
Key Features
- Heavy-duty ATV suspension spring with 120 lb spring rate
- 25% heavier and stiffer than factory springs
- Manufactured from high-quality chrome silicon
- Designed for improved load-carrying suspension performance
- Ideal for ATVs equipped with plows, winches, cabs, and trailers
- Helps restore ride height and suspension stability
- Improves handling and suspension response under heavy loads
- Available in red or black finishes
- Sold individually
Technical Specifications
- Brand: EPI Performance
- Product Type: Heavy-Duty Suspension Spring
- Spring Rate: 120 lb
- Material: Chrome Silicon
- Color Options: Red or Black
- Application Position: Front or Rear Depending on Model
- Sold As: Each
Compatibility
Compatible with select ATV models including:
- Polaris Sportsman 400 / 450 / 500 / 570 / 700 / 800 models
- Polaris Sportsman Touring models
- Polaris Sportsman X2 models
- Polaris Sportsman 6×6 models
- Can-Am Outlander 400 models
- Bombardier Outlander 400 models
Fits select 2003-2025 Polaris Sportsman models and select 2003-2009 Can-Am/Bombardier Outlander 400 applications. Verify exact fitment before purchase.
Why Choose the EPI Heavy-Duty Suspension Spring?
Factory suspension springs can sag or lose performance when additional accessories and heavy loads are added to your ATV. This heavy-duty replacement spring is designed to help maintain suspension support, improve ride quality, and deliver more controlled handling under demanding riding conditions.
EPI Performance suspension components are trusted by ATV riders for reliable durability and dependable off-road performance in work, utility, trail, and recreational applications.
Cross-reference part/SKU numbers: EPI-WE320010, 79-16591
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