Polaris Heavy Duty Rear Spring 150 lb – EPI Performance ATV Upgrade

Polaris Heavy Duty Rear Spring 150 lb – ATV Suspension Upgrade

Improve your ATV’s performance, load capacity, and ride stability with the Polaris heavy duty rear spring 150 lb from EPI Performance. Engineered for riders who demand more from their machines, this upgraded rear suspension spring delivers 25% more stiffness than stock, making it the perfect solution for handling additional weight and tough terrain.

Whether you’re using your Polaris ATV for plowing, hauling, hunting, or trail riding with added accessories, this heavy-duty spring ensures better ground clearance, reduced sag, and enhanced rear suspension control.

Key Features

• 25% Heavier Than Stock: Designed to handle extra load from plows, winches, cabs, and trailers.
• 150 lb Spring Rate: Ideal balance of stiffness and ride comfort for utility and off-road use.
• High-Strength Chrome Silicon: Provides long-lasting durability and resistance to fatigue under heavy use.
• Improved Ride Stability: Reduces bottoming out and enhances control on rough terrain.
• Direct OEM Replacement: Easy installation with no modifications required.
• Corrosion-Resistant Finish: Black coating protects against harsh outdoor conditions.

Technical Specifications

• Brand: EPI Performance
• Product Type: Rear Suspension Spring
• Spring Rate: 150 lb
• Material: Chrome Silicon
• Position: Rear
• Color: Black
• Performance: 25% stiffer than OEM
• Sold As: Each

Compatibility / Applications

This Polaris heavy duty rear spring is compatible with a wide range of Polaris ATV models from 2014 to 2025, including:

• Polaris Sportsman 850 (Standard, Premium, Trail, Ultimate Trail)
• Polaris Sportsman XP 1000 (Standard, Ultimate, Hunt Edition, Ride Command)
• Polaris Scrambler 850 & Scrambler XP 1000
• Polaris Sportsman X2 570

Perfect for riders who use their ATVs for work or heavy-duty applications such as towing, hauling, farming, snow plowing, and off-road adventures.

Why Choose This Polaris Heavy Duty Rear Spring?

Upgrading to this EPI Performance rear spring gives your ATV the strength it needs to perform under pressure. It enhances suspension support, increases load-carrying capability, and improves overall ride quality. Whether you’re upgrading from worn-out stock springs or building a work-ready ATV, this heavy-duty spring is a reliable, long-lasting solution.

Cross-reference part/SKU numbers: EPI-WE325119, 79-16609