EPI Polaris Ball Joint Kit Upper & Lower 4130 Chromoly Heavy Duty Replacement
Upgrade your Polaris suspension with this complete upper and lower ball joint kit from EPI Performance. Designed for durability and precision, this heavy-duty Polaris ball joint kit upper lower restores steering control, eliminates suspension play, and delivers long-lasting performance in extreme off-road and utility conditions.
Built from high-strength 4130 chromoly steel, these ball joints are significantly stronger than OEM components, making them ideal for riders who demand reliability in tough environments. The corrosion-resistant zinc plated finish and pre-installed lithium grease ensure smooth articulation and extended service life.
Key Features
- Complete Upper & Lower Kit: Replace both ball joints in one convenient package.
- 4130 Chromoly Steel: Stronger than OEM for heavy-duty performance.
- Zinc Plated Finish: Provides superior corrosion resistance.
- Pre-Lubricated Design: Lithium grease ensures smooth movement and reduced wear.
- Heavy Duty Construction: Built for off-road riding, mud, trails, and work use.
- OEM Replacement Fit: Precision engineered for Polaris ATV & UTV models.
Technical Specifications
- Brand: EPI Performance
- Product Type: Ball Joint Kit
- Position: Upper & Lower
- Material: 4130 Chromoly Steel
- Finish: Zinc Plated
- Lubrication: Lithium Grease
- Fitment Type: Direct OEM Replacement
Compatibility / Applications
This Polaris ball joint kit fits a wide range of ATV and UTV models including:
- Polaris Sportsman 550 / 850 / XP 1000
- Polaris Sportsman Touring models
- Polaris Scrambler 850 / XP 1000
- Polaris RZR 570 / 800 / 900
- Polaris Ranger models
Compatible with multiple trims and configurations from 2008–2026. Always verify exact model fitment before purchase.
Why Choose This Polaris Ball Joint Kit?
Worn ball joints can lead to poor handling, loose steering, and unsafe riding conditions. This EPI Performance Polaris ball joint kit upper lower provides a complete solution to restore your suspension system and improve ride quality.
Perfect for off-road enthusiasts and utility users, this Polaris upper and lower ball joint kit delivers the strength, reliability, and performance needed to handle demanding terrain and heavy workloads.
Installation Notes
Professional installation is recommended. A ball joint press may be required for proper installation.
Cross-reference part/SKU numbers: BJP-2, 79-12096










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